鰯齢re恥瓢e齪§宜醜j聯鋤e§ec・馳亙（亙亙） - …bulletin ofthe geological survey...
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Bulletin ofthe Geological survey ofJapan，vo1・35（7），P。287－314，1984 552．574＝550．424（52）
鰯齢rE恥瓢e齪§宜醜J聯鋤e§eC・馳亙（亙亙）
Noboru IMAI＊，Atsushi ANDo＊and Eizo TAKEDA＊＊
IMAI，Noboru，ANDo，Atsushi and TAKEDA，Eizo（1984）
βzご〃．080」。Sz57∂。」ごψαη，voL35（7），P。287－314，
MinorelementsinJapanesecoal（II）．
Abst暫act3The analytical data ofash content and nineteen trace elements ofAs，B，Ba，Co，Cr，
Cu，Ga，Ge，Li，Mn，Mo，Ni，Pb，Sn，Sr，U，V，WandZnincoals丘omtwelveJapanesecoaI丘elds obtained in previous paper（TAKEDA，1981）are statistically analysed・■
TheelementsofAs，Ge，Mo，UandWareconcentratedinsub－bituminousandlignitecoals5to10times larger than in bituminous coals，The high correlation coefacients for any two
elementsincoalare（1）ash－Cr，Cu，Ga，Mn，V（2）Ba－Sr（3）Cr－G＆，V（4）Ga－Li，V。Thecon－
centrationsoftheelementsofAs，B，Ge，Mo，UandWarehighespeciallyinsub－bituminousand
lignitecoalscomparedwithearth，scrust，andthoseofCo，MnandNiaregenerallylow．Boronis
apparently concentrated in coals deposited in waters with high salinity（more brackish or
marine）orwhose coal seam was closely associated with ma血e strata such as inMino，Miike
and Ube Coal Fields．Germanium is concentrated at the top and bottom ofmany coal seams。
Organic and inorganic aHinities are evaluated from the histogram ofcorrelation coemcients
oftheelementswithashcontentin34benchsets．TheelementsofB，Ge，MoandWhaveorganic a伍nities and ofBa，Cr，Ga，Li，Mn，Pb，Sn，Sr，U and Zn have inorganic a伍nities．
The a伍nities ofCo，Mn批nd Ni are intemediate．
鼠説胸認胆醜量⑪n
The demand fbr coal as an energy source has
increase（i during recent years due to the higher
price of oi1．Extensive research on the liquefac－
tion and gasification of coal has been
conducted．Thus，there is a renewed interest
on the content of inorganic elements in coal
bec＆use they are released into the atomosphere
dur孟ng the combustion and are the cause of
serious environmental problems。
Trace elements in U．S．coals have been
investigated intensively by GLusKoTERθ」α乙
（1977） and RuGH6渉α1・（1974）・In Japanese
coals the distribution of twenty one trace
elements was described by one of the present
authors using bench sets fyom twelve coal fields
（TAKEDA，1981）。He also noted that the origin
of trace elements in coal was mainly fヒom
mineral matters contained in coa1．In the
present work，we perfbrmed statistical analysis
＊Geochemistry and Technical Services Department
＊＊Former member of Geochemistry and TechnicaI
Service Department
of a large amount of data in order to study the
characteristics of occurrence and distribution
of trace elements in Japanese coals。
The content of nineteen trace elements，
namely As，B，Ba，Co，Cr，Cu，Ga，Ge，Li，
Mn，Mo，Ni，Pb，Sn，Sr，U，V，W，Znandashcontent are discussed in th五s papeL Figure l
shows the location of Mogami，Owari，Igu，
Riraga，Mino，Mikawa－Ak我tani，Sasebo，Kushiro，Sakito－Matsushima，Miike，Ube and
Fukuoka Coal Fields where samples fbr this
study were collected。Table l gives the．number
of bench sets（vertical segment of coal seam），
coal samples，partings and rocks f｝om each
coal field which were used in this work．All
samples were collected as bench sets which
contained partings a，nd fbot and hanging wall．
Analytical samples were obtained by cutting
those bench sets in each5to lO cm thick．
The total number of bench sets and coals
obtained f｝om bench sets were83and271，
rcspectively，and total nμmber of rocks and
partings was300。
Samples were dried in air and crushed and
ground to 80mesh， and fhrther dried at
一287＿
β％JJ伽のhθ060Jo9ゴ6αJS％7妙げ」‘ψ伽，剛．35，1Vo．7
、晦shlr◎
Hlr㎎α
M◎9（翼ml
M百k A吻1亀
9
。 lgu
Fukuokα ＼
Sq騎b◎＼
SGkl篭o＿！穿
Mα鱈鵬hlmα
Ub曹
M撒⑤
魯
曾
Mln◎
Ow（繭
Fig。1 Coal fields ofJapan where samples in this study were collected．
Table l Number of bench sets，coals，
partings collected痂m12coal fields．rocks and
Coalfield bench set coaISrocks，
partings
MogamiOwari
Igu
Hiraga
Mino
Mikawa．Akatani
Sasebo
Kushiro
Sakito－
Matsushima
Miike
UbeFukuoka
16
5
10
13
12
17
2
3
2
1
1
1
36
6
10
79
8
9
12
45
29
14
6
17
39
19
85
8
38
91
410
3 1
1
1
105。C fbr2hours befbre use．In case of coal
samples，coal ash was used fbr chemical
analysis，which were ashed below 5000Cgradually so that minor elements should not
be lost．Chemical analysis of minor elements
were made by亙）（）arc optical emission spectro－
metry・Samples fbr emission spectroscopy were
made by mixing coal ash and rock w圭th equal
amount of sodium chloride．Expos皿e and
electric current were l20 seconds and lO
amperes to supPress matrix ef驚cts and improve
reproducibility．spectrometer used wasJAco－
Ebert type．Uranium was determined byHuorescencetechnique（MoGHlzuKI蜘乙，1978）。
聡es聡置電§訟聡魂夏》量s¢聡ss量⑪聡
Arithmetic and geometric means and stan一
一288一
Table2
餓η・沼」6解備ゴη」α卿65θσ・α1（π）（i剛，オ励伽4T4鰯α）
Arithmetic（豪、）and geometric（豪g）means andstandard deviations（SD）ofanalytical datain eachcoa1五eld．
Mogami Owari Igu Hiraga
豪a
X9 SD 玄a 蓑9 SD 豪a
X9 SD 衰、 衰9 SD
Ash＊ 14．62
As＊＊ 34
B 54
Ba 128
Co 5．O
Cr 15
Cu 19
Ga 5．OGeロ 27．6
Li 4．4
Mn 86Mo 8．8
Ni 3．2
Pb 4．6
Sn 1．5
Sr 113
u －V 37
W O．3
Zn 13
12．67
26
40
112
3．8
13
14
3。2
3．7
2．2
63
6．7
2．6
3．5
1．3
86
17
1．1
4
7．20
21
39
64
4．9
714
5．4
66．9
7．3
55
6．3
2．1
3．2
1．1
82
61
1．0
18
20．00
36
12
496
5．2
20
15
8．3
28．7
11．7
145
9．7
19．7
3．2
2．7
144
7．5
99
1．3
30
17．64
34
9
428
4．4
18
13
5．7
7．2
4．2
117
5．6
6．6
2．9
2．4
139
6．3
79
1．4
12
8，66
12
8
237
2．9
9
6
5．3
39．1
16．8
75
9．3
33．4
1．5
0．9
39
4．2
80
3．0
24
22．81 21．77 6．02 15．02
325 62 534 83
127 77 102 45
119 83 134 123
11．6 8．2 9．1 7．0
23 22 6 1542 26 42 25
11．0 7．6 6．6 4．2
19．9 14．8 13．9 6．3
3．2 1．7 6．4 31．6
37 23 41 92
、97，2 66．7 67．6 11．3
12．3 9．1 11．2 2．5
3．4 2．3 3．7 3．0
1．4 1．5 0．9 2．2
140 117 86 97
64．6 13．7 104 1．0
224 134 229 22
158 66 188 －
60 40 32 16
14．09 5．73
36 70
28 45
94 113
4．4 6．7
14 5
17 24
3．4 2．6
2．9 10．3
25．2 20．8
68 48
8．0 10．3
2．1 1．6
2．3 2．3
1．7 2．1
76 55
1．0 0．4
12 28
4 31
Mino Mikawa－Akatani Sasebo Kushiro
支a
X9 SD 量a
X9 SD 5～a ……9 SD 豪a 豪9 SD
Ash＊As＊＊
BBa
CoCr
CuGaGeLi
MnMoNi
Pb
Sn
Sr
uVWZn
18．39
42
221
111
2．0
18
17
5．9
28．4
1．4
120
33．3
6．0
2．0
1．1
271
5．0
57
187
32
17．69
11
212
80
1．7
18
16
4．5
5．3
1．3
114
13．9
4．6
2．2
1．1
259
4．3
36
45
23
4．92
47
59
95
1．7
5
5
3．2
61．3
3．6
35
38．4
4．1
1．3
0．3
77
2．7
40
183
13
15．93
24
47
307
1．1
16
6
2．7
20．6
3．6
65
107
1．1
7．0
0．6
132
70．7
51
16
13
13．55
10
23
132
1．2
14
4
1．8
9．5
1．7
38
78．2
1．2
3．1
1．1
69
27．4
25
10
3
8．13
19
42
400
0．6
8
5
2．8
23．0
8．4
59
79．1
0．6
8．7
0．7
134
114
51
17
21
17．78
29
81
365
4．8
18
29
10．8
3．6
29．6
78
6．9
8．6
7．2
2．5
360
1．1
97
24
16．89
5
52
245
3．1
17
24
10．2
2．4
2L868
3。7
8．0
4．3
1．8
244
1．1
64
11
4．86
71
’65
356
5．1
5
19
4．2
3．9
20．9
32
7．4
3．4
8．2
2．5
382
0．3
69
19
15．56
5
53
573
9．3
16
21
10．4
2．8
7．2
56
3．7
7．9
13．2
1．6
220
1．3
71
33
13．64
2
25
495
5．4
14
16
6．8
1．9
3．2
44
2．0
5．6
7．4
1．4
163
1．2
20
21
7．53
9
59
299
10．9
8
14
10．2
3．3
10．1
35
5．0
7．0
16．7
1．2
177
0．7
81
25
＊（％） ＊＊（ppm）
一289一
B吻痂のh606・」・926αJS％吻げ」‘ψαη，πoJ．34菊・7
Table2 Continued
Sakito．Matsushima Miike Ube Fukuoka
豪a 支9 SD 豪a 豪 SD9豪a
X9 SD ヌa
X9 SD
Ash＊ 11．97
As＊＊16
B 98
Ba 178
Co 8．9
Cr 12Cu ll
Ga 7．3
Ge 3．6
Li 10．3
Mn 5
Mo 5．O
Ni 21．2Pb 5．2
Sn 2．3
Sr 193
U 1．2
V 69
W －Zn 17
10．28
4
58
106
3．9
10
10
5．0
2．5
4．4
3
3．0
116
3．5
1．6
164
1。2
30
12
6．44
50
80
嚇225
15．7
6
6
6。0
3．5
14．5
6
5．4
26．2
5．9
3．1
108
0．4
58
10
15．89
6
124
900
1．3
16
30
9．7
6．4
206
95
1．1
19．6
8．9
2．6
822
1．2
98
114
15．29
2
76
799
1．2
15
26
7．8
5．7
154
91
1．1
10．6
4．9
2．0
780
1．1
48
90
4．42
10
103
301
0．5
4
21
5．9
2．5
138
28
0．3
22．2
9．9
1．8
225
0．8
81
72
17．12 16．64 3．65 12．58
3 2 7 5204 193 66 50
524 299 487 157
2．5 1．9 1．9 7．2
17 17 4 13
10 8 4 9 12．5 11．8 4．5． 8．1
2．5 2．1 1．3 1．6
28．0 27．1 7．0 12．5
327 255 212 115
1．5 1．4 0．5 2．1
3．8 3．3 2．0 4．3
4．5 3．8 2．0 3．4
1．3 1．3 0．5 0．9
131 108 80 51
1．0 1．0 0 1．0
53 49 15 120
7 4 8 1
11．30 5。63
2 10
36 32
119 107
4．2 7．9
11 6
7 7
5．7 5。5
1．4 1．0
9。9 7．7
74 127 1．7 1．3
3．1 3．8
3．0 1．6
1．0 0．2
29 41
1．0 0
41 172
1 2
dard deviation of the analytical results of
the271coal samples ffom l2coal丘elds are
shown in Table2．All data are based on the
values in coal．Ash contents are shown in
percentages（％）and other elements are as
listed in parts per million（ppm）．Geometric
means are pre免rable especially in cases where
extremely high values were obtained fbr
comparison among samples because such high
values are of less influence than arithmetic
means．
In this paper，the data fヒom coals whose ash
content is more than30percent are excluded，
though previous paper included coals of up
to80percent ash。Zero is used when thecontent of trace element is less than detection
limit．
The contents of trace elements can beclassified into two groups of dif琵rent degrees
of coalification．One group is those in sub－
bituminous and lignite coals and the other is
the content in bituminous coals．The average
values in two groups are listed in Table3．
Table3 The mean concentrations of the elements in
sub－bituminous，lignite and bituminous coals（ppm）。
sub－bituminousand Iignite coal bituminous coal
As
BBa
CoCr
CuGaGe亙」i
MnMoNi
PbSnSr
uVWZn
80
61
149
6．1
15
23
5．1
15．1
18．9
89
23．5
4．1
3．6
1．8
117
12．9
46
22
20
10
81
437
7．2
15
18
9．4
3．3
34．4
72
3．7
11．7
8．4
1．9
268
1．2
82
32
一290一
臼欝
ド
3騰
踊
i聴
〃伽・沼伽諮」η」‘ψαη638伽」（π）（1剛，滋η4・姻乃鰯α）
導曹
のロハ3嘩
総
温
囲o
駐
p p m
榊
舘
報
駐
i日4鍋7細i騨12
i2苫4』7欝撃ilm2
u
臼
にドレの
聾
憩
謁
駐
1234專5H乎蹴ii2
i諺34暮ら7四1臼iii2
p p m
髄
踊闘
甜
琶 i2呂4鍋7葛H臼iii2Fig。2The average contents ofthe elements ofAs，Ge，Mo，U and V in each coal員eld．
The numbers in abscissa means coal Helds as fbllows，1Mogami，20wa血，31gu，4Hiraga，5Mino，
6Mikawa－Akatahi，7Sasebo，8Kushiro，9Sakito－Matsushima，10Miike，11Ube，12Fukuoka，
For compariso簸of the distribution of trace
elements among those coals，coals fヒom twelve
Japanese coal fields in this paper are divided
into two groups tentativelyl sub－bituminous
and lignite coals obtained fヒom Mogami，
Owari，Igu，Hiraga and Mino Co＆l Fields
and bituminous coals丘om Mikawa－Akatani，
S＆sebo，：Kushiro）Sakito－Matsushima，Miike，
Ube and Fukuok乱Coa1：Fields．It is we11－
known th我t Japanese coals were fbrmeddur孟ng the Neogene are mainly sub．bituminous
and lignite coals while those fbrmed du血g
the Paleggene are bituminous coals（MITA，1960）・
Table3showsthatAs，Ge，Mo，UandWconcentrate in sub－bituminous and lignite
coals．In fact，the contents ofthese elements五n
the sub－bituminous and lignite coals are5－10
times larger than those in the bituminous
coals．This result suggests that lowly－coalified
sub－bituminous and lignite coals adsorb those
elementsmorethanhighly－coali且edbi‡uminouscoals．This is shown more clearly in：臼gure2
which gives the average contents of As，Ge，
Mo，U乱ndWineachcoa1丘eld。Theageofcoal fbrmation becomes olde面om Mogami to
Fukuoka（】oal Fields as the number in abscissa
increases．It is傾uite obvious that the contents
一291一
B％伽ηφhθ060」・9ぎ6αIS％吻げ」吻π，％乙35，No・7
H
凶
3臼
ユ5
8巳
96 7．5 ⊥5 22。5
臼菖h
39x
N
ユ∈〕日
5〔∋
■89 246
ppm
四
⊥∈〕臼
5臼
4臼
259 59日 759 工日8臼
ppm Bヨ．
H
8臼
4∈〕
B 69
3
⊥23
国
5日
臼言
Nig臼
58
臼 ’ 2B93ge4門Pm B
25
e 25 5日 75 iag
ppm Ou
N
5臼
25
：L日臼
8 i臼
：L臼臼
N
2e
Co
33 43
ppm
4臼8 ⊥臼 28
（3a
3臼 4臼
N
臼 ■e 26 39 4e
⊥臼臼
5臼
N5臼 5臼
CFppm
pPm
9 工5 3a 45 6〔∋
L i
Nユ臼臼
5a
馨
｝馨
曇轟
臨蕪
N
：L㊧臼
臼 工9 29 39 48
5e
PP『『監
臼 まB㊧ 299
同h
39臼 4臼a
ppm
《3e
N
：L臼a
pr慮m
58
4臼
a ：しB 2∈〕 39 49
N i
N
9 工8 2e 3臼 4B
舞
pprn
↓5臼
75
N2臼
B ■8
1・10
Nユ68
ppm
9 ユ89 29〔3 3臼9 49臼
PP『『奪 呂r・
8臼
29 39 4B
Pbpp凹
N6臼
38
N24臼
8 5 ■3 工5 23
i28
i臼臼
a 5 ■㊧ ■5 29
u
呂n
N5巳
ppm
PPm9 5E， ⊥臼臼 』．5a
v2已日
ppm
9 53 工e臼 ■5a 2臼臼
ppm 回
∈〕 59 乏a臼 ■58 2臼9 ppm三n
Fig。3 Histograms ofthe contents ofminor elements and ash in Japanese coaL
The dataf士omsubbituminous andlignite coal areplotted as verticallystriped line，and thosefピombituminous
coab as blank．
of the elements in coal且elds l to6（sub－
bituminous and lignite coals）are much higher
than those in coal Helds7to l2（bituminous
coals）。
Histograms ofthe contents oftracc elements
and ash in Japanese coal are given in Figure3．
In appendix Figure l to12histograms fbreach coal field，are shown in．order to revea1
一292一
M∫no7EJ6魏6ηな伽」4ραηθ56（】0α」（π）（ZηZαぎ，∠勉40απ4乃ん64α）
Table4 Elements whose standard deviations（SD）
are larger than average values（x）or less than one
half of』average values in each coal field。 き
SD＞x SD＜1／2x
Ge，L・i，V，W，Zn
Ge，Li，Ni，W
Cr
As，Ba，Cr，Cu，Pb，Sn，Sr
Cr
x ’、 』
轟
躰 1
「
MogamiOwari
Igu
Hiraga
Mino
Mikawa．Akatani
Sasebo
As，Ba，Li，Mn，Pb，U，V，W
Ge，V，ZnAs，Ge，Li，Mo
Ba，Ga，Ge，Li，Pb，
Sn，SrシU，Zn
As，Co，Ge，Mo，Pb，Sr
As，B，Co，Ge，Li，
Mo，Pb，VAs，Ba，Co，Li，Mn，Mo，Ni，Pb，Sn
As，Ni，Pb
Cr，UB，Cr，Cu，Mn，
Sn，SちZn
題
愚
1馴
Kushiro
Sakito．
Matsushima
Miike
Ube
Fukuok＆
§
As
霞
As，Co，Mn，V，Zn
る一一一一一一亀一一一齢一一一一一一壁一一ポ壁一一一。尋一一一
騨 爵 纏 9
趣 愚
聾 霞 ㊥ 函
Cr，Ga，Mn，
Ni，U
u
Ba，Co，Cr，Ge，
Mn，Mo，SrB，Cr，Cu，Ga，
Li，Mo，Pb，
Sn，VCr，Pb，Sn
き
x、 量
曲
躰 i
曾
鱈舶認勘C昼窃c漏謡曇L1糾醐昼糾i p払宕浦州》鼻2n
18
卜
u盤
唇一一一需需一“5膚一甲廓一甲卿一｝幽卿葡騨一一一一－一學一鱒一一幽鱒ロー一一一一
魯 魯 趣 あ 轡 ㊧ 鱈樋緋 縷 轡 愚飼 愚
臼輪脇CoC幽幅蓼Li擁繭蹴P繍制糊z揖
Fig．4 The stand4rd deviation divided by average
（sD／x）for each element in Igu and ube coa1且elds．
the characteristics of the distribution of trace
elementsin each coa1丘eld because the distribu－
tions in respective coal fields are much
di銃rent．
Table4 1ists the elements which haverelatively large ranges in concentration an（玉
standardl deviation larger than average values
and those that have narrow ranges andstandard deviation less than one half of aver＿
age values．From this table it is seen that many
elements are distributed in a wide range and．
standard deviations are larger than average in
thecoameldofIgu，Mikawa－Akatani，Kushiro，
and Sakito－Matsushima and many elementsare distributed in a narrow range and standard
deviations are smaller than one halfofaverages
in Owari，Mino，Miike and Ube Coal Fields．
亘n Figure 4 the standard deviation divided
by average （SD／x） fヒ）r each element in Igu
coal field is compared with those in Ube coa1
且eld。Most ofthe values ofSD／x in Ube coa1
£eld are smaller than l，but the values in亙gu
Coal：Field are relatively larger。On the whole，
it is suggested that fbur elements，As，Ge，：Li，
and Pb have large ranges in concentration in
most coa1且elds and chrominum has narrowrange f｝om these tables and histograms．
Table5reveals the elements that have high
correlations in each coal field．In this paper
“high correlation，，is de且ne（i as larger than O．8
when the number ofsamples are less than10，
and larger than O。6when the number isbetween l l to49，＆nd larger than O。5when the
number is larger than 50。Statistically，it is
calculated in99percent confidence that oneelement correlates with the other ifthe correla．
tion coefacient between them is more than
O。8when number of samples is7，and morethat O．5when the number is24．
From this table，high correlation which
exist more than fbur coal fields is extracted as
fbllows，（1）ash－Cr，Cu，Ga，Mn，V（2）Ba－Sr
（3）Cr－Ga，V（4）Ga－Li，V。Most of these
elements are thought to associated withminerals．Highest correlation coemcient in al丑
coals（271coal samples）of twelve coal fields
一293一
轟
き
Bπ」擁ηφhθθ60109ぢ6αJSπ7妙げ」‘吻η，KoJ。35，1璃o。7
Table5 Elements which have high correlation coem－
cients in each coal Held．
Table6 Elements whose contents＆re one order of magnitude larger or less than those in earth，s crust．
Mogami
Owari
Igu
Hiraga
Mino
Mikawa．Akatani
Sasebo
Kushiro
Ash－As，Ba，Mn，Pb As－Cu Ba－Mn，Sr
Co－Cr Ge－W Mn－Pb
Ash－Cu，Ga，Mn As－Ge，Mo B－U Ba－PbシSr Co－V Cr－Li Cr－Sn
B－Sn，Sr Cr－Ge，Pb Ge－Pb Mo－WNi－U，V，Zn Sn－Sr U－V
As－Ga，Sn Ba－Sr Co－Ni Ga－Sn
Ash－B，Cu，Mn，Sr B－Cu，Mn，Sr Cr－
G＆，Mn，Sr，Zn Cu－Mn，Sr Ge－Li，Sn
Li－Sn Mn－Sr
As－B Ba－Mo，Sn，Zn Cr－Ga，Sn，V Cu－
Sn，Zn Ga－Sn，V Mo－Pb，Sn，Zn Pb－U
Sn－V，Zn
Ash－Cu，Li，Mn B－Cu Ba－Sr，Zn Co一一
Pb，V Ga－Li，U Li－U Mo－Sn Ni－Pb，V
Pb－V Sr－Zn
Ash－Cr，Cu，Ga，Li，Mo，V Ba－Sr Cr－Cu，
Ga，Li，Mo，V Cu－Ga，Li，Mo，V Ga－Ge，
Li，Mo，U，V Li－Mo
Ash－Cr，Cu，GaラLi，V As－Mn Ba－Sr
Co－Pb Cr－Cu，Ga，V Cu－Ga，V Ga－V
Ge－Mo，VAsh－As，Cr，Cu，Ga，Mn，Mo，Sr，V As－
Cr，Mn，V Cr－Mn，Mo，V Cu－Mn Ga－Li，Mn，V Mn－Sr，V Ni－Pb，Sn
Ash－Pb，Co Ba－Ge，Mn，Sn，Sr Co－Ni
Cr－Ga GeMo，Sn，Sr Mn－Pb，Sn，SrMo－SrNi－Zn Sn－Sr
Ash－Cr，Ga，V B－Co，Cu，Mn，Ni Ba－
Co，Cu，Mn，Ni，Sr Co－Cr，Cu，：Li，Mn，Ni
Cr－Cu，Ge，Li，Pb，V Cu－Li，Mn，Mo，NiGa一：Li Ge－Pb，V Li－Mn，Mo，Ni Mn－
Ni Pb－V
1arger leSS
MogamiOwari
Igu
Hiraga
Mino
Mikawa－Akatani
Sasebo
Kushiro
Sakito．
As，Ge
As，Ge
As，B，Ge，Mo，U，W
As
As，B，Ge，Mo，W
As，Ge，Mo，U，W
As
Matsushima
Miike B，LiUbe B
Fukuoka
Mn，Ni
Li，Mn
Mn，Ni
Co，Ni
Co，Mn，Ni
MnMn
MnCo，MnCo，Ni，Zn
Cu，Ni，Zn
Sakito－
Matsushima
Miike
Table7 The average concentration of boron in coal
in each coal field．
concentration（PPm）
Ube
Fukuoka
are O．70衰》r ash－Ga and Ba＿Sr and O．55飴r
：Li－Sr乱nd O．49fbrAs－Mo and W－Mo．
Table6gives the elements whose contents
are one order of magnitude larger or less
than those in earth’s crust，the clark values
which is used in this paper are f｝om TAYLoR
（1964）．It is obvious that elements of high
concentration in coals are As，B，Ge，Mo，U
and W。For example，in Igu Coal Field，
enrichment魚ctorsofAs，B，Ge，Mo，UandWare232，13，65，24and lO5．Howcver，theconcentration of these elements are high only
inligniteandsub－bituminous coalsofMogami，
OwariりIgu，Mino and Mikawa－Akatani incontrast to the very low concentration in
bituminous coals of Sasebo，Kushiro，Sakito－
MatsushimaラUbe and Fukuoka．The elements
whose contents in coals are low are Co，Mn
MogamiOwari
Igu
H：iraga
Mino
Mikawa．Akatani
Sasebo
Kushiro
Sakito－
Matsushima
Miike
UbeFukuoka
54
12
127
45
221
47
81
53
93
124
204
50
and Ni and there is no dif艶rence in distribu＿
tion of these elements among various coaI£elds．
It was reported that the concentration of
boron indicates the paleosalinity of the
environment of deposition（BoHoR andGLusKoTER， 1973）． The concentration of
boron is thought to be higher in coals which
were deposited in waters of higher salinity。
Table7shows the concentration of boron in
coals fヒom various血elds．In this table the
concentrations of boron are relatively high in
一294一
ハ4伽沼伽備伽」α卿θ56σ0α」（π）（1吻，オ励αη4乃鰯α）
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α与卜OQDαうσ》o卜トめめ・申 一（NC＼ξc灯 αう
トoσ》σ》めooぱ）αうooooOoαうαうσ》σ）ゆ“σうoooひ｛r申斜○可αうの寸ODαうQD『）αう 一 騨一1
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面 。一 自 q ●一 帽 謁 の 罵 昏 韻 沼
＜ G・・ 占o署 鎖
Table9 Elements whose contents in rocks and part－
ings are larger th＆n twice of those in coals or less
than one half of those in coals．
partings＞2x coals partings＜
1／2xcoals
Mogami As，Ba，Ga，Li，Mn，Ni， Ge Pb，Sn，SrOwari Ba，Co，Cr，Cu，Li，Mnシ As，Ge，Mo Pb，Sn，Sr，V，ZnIgu Ba，Li，Mn，Pb，Sn，Sr，Zn As，B，Cu，Ge，
Mo，U，WHiraga As，Co，CuシGa，Li，Mn， Ge Ni，Pb，Sn，Sr，V，Zn
Mino As，B，Ba，Co，Cr，Cu，Ga， Ge，Mo，U，W Li，Mn，Ni，Pb，Sn，Sr，V，
ZnMikawa－ Co，Ga，Li，Mn，Ni，Pb， B，Ge，Mo，U，
AkataniSn，Sr，V，Zn．WSasebo Co，Cr，Cu，Ga，Li，Mn， Mo Ni，Sn，U，V，Zn
Kushiro As，Cu，Gεし，Li，Mn，Ni，
Sn，Sr，U，V
Sakito－ As，Cr，Cu，Ga，Li，Mn， MoMatsushima Sr，V，Zn
Miike Co，Ga，Mn Li，V
Ube Cu，Ga，Li，Mo，Ni，Pb，
Sn，Sr，V，Zn
FukuokaGa，Ge，Li，Pb，SnV
coa1丘elds ofMino，M圭ike and Ube，suggesting
that the coals’of these fields were deposited in
waters with higher salinity（more brackish or
more marine）than other coals．
一n the samples ofbench sets，vertical distri－
but｝ons of elements were investigated（distri－
bution of each element in bench set，fbr
example，f｝om Hirag＆coal丘eld is shownin apPendix Figure 13） andl the content of
ele血ents in rocks and partingswere compared
with those in coals．Table8shows the con－
centrations of elements in rocks and partings
in each co＆1field．In Table9the elements
whose contents in rocks and partings are
greater than twice of the content in coals or
less than one half of that in coals are shown．
In this table it is seen that As，Co，Ga，：Li，
Pb，Sn，Sr，VandZnareconcentratedinrocksandpartingsandB，Ge，MoandWareconcentrated in coals．For example，the dis－
tribution of boron in bench sets in Mogami，
Mino and：Kushiro Coal Fields are given in
一295一
翻否蹴撒無戯，鋤羅 諏i醸轍置
βπJJ6痂のh60θ・Jo926αJS％聞ヴ」吻n，7b乙34M，．7
曇m 曾S静d
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騨覇
C照1
5曾Sa轟d
Coa1
i臼8
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OoaI
賃o翻
c、言 5懲
窮湘恥＆玉
Tuヂヂ
c、駄 i鮒
omc君記。c臼
Coal
s転
魯 ｛朋 P懸B
き朋 4懸即脇
穏 1轡響 ＿響 “P“ 鰻り一
臼 46 舗懲
2曾 甜陣m
Coa1 58
龍a1
翻§讐面d i88
Coa1
S鵡d
Fig．5Distributions of boron in bench sets fヒom Mogami，Mino and Kushiro
Coal Fields．
Bad．C；bad coal which is defined that ash content is more than30％，Sh；shale，
C．Shl carbonaceous shale，C．Mudl carbonaceous mud，C．S．l carbonaceous
sandstone，Sand；sandstone，C；co＆1．
Figure5．These shows clearly that boron is
concentrated in coal parts of the bench sets。
Germanium is not only concentrated in the
coal parts，but also concentrated at the toP
and bottom of the coal seams．This is shown
in Figure6fbr bench sets ofHiraga and Mino
（〕oa1丘elds，This suggested that germanium
added to and adsorbed by coal beds a丘er buria1
丘om neighboring rocks by circulating ground
water．
Organic、and inorganic afanities of the
elements in coal were determined by using its
washability which indicates whether the ele－
ments are concentrated in organic or inorga口
nic parts of coa1（KuHN6渉α」．，1980）。 It is
reported専hat the elements of B and Ge are
associa，ted largely with the organic part of
coal while As，Cd and Zn are in the inorganic
part・ In the present paper， the correlation
coe伍c曼ent ofeach element with ash content五s
一296一
ハ痂η07EZ67ηθ撹5乞π」ψαηθ58σ0α」（Z『）（．乃ηαゴ，∠旦η40απ4乃ん64α）
omC盤！ 臼c．s轟
6 、5 59曹
7、s 臼ppm
53
Coa1
om昼
6 4、5 9導包
3、5 8ppm
Coa1
露誠・C5B
c．酌d
i8臼
Cga1
cm曾
曾 。5 5G㊧
37．5 56脚m
Coa：
畑9
繍繍s且nd 2鴎
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5曇 躯P播船
勧鼠1 き遣，sCo暑三
蜘d
CoaI 5臼
S韻d
講ud
c，Sh
Fig．6D蛤tributions ofgermanium in bench sets丘om Hiraga（top three）and M圭no（bottom）Coal Eields．
calculated．The positive correlation is con－
sid．ered as the result ofthe association with the
inorganic part，and the negative correlation as
showing the high organic a伍nity．However，
because of the dif臨ence oflocal environment
of each coal丑eld，the correlation coef丑cient
calculated by using all coa1£elds’data h＆s
little signi丘c我nce as the indicator最）r organic
or inorganic afanity of elements。There最）re，
the correlation coe伍cient in each bench set is
一297一
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華
華
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箋き華
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繕
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一1
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一i 日
C朧1＆もi購o齢伽爵鰯 嘗肝
i
Fig．8 Distributions of co皿elation coemcients of the
elements ofBa，Mn and Sr in each bench set。
6
C曜1量伽㈱曹ヂ伽1曹雁乞oぞ 闘
i
Fig．7 Distributions of correlation coemcients of the
elementsofB，Ge，MoandWineachbenchset．
calculated fヒom34bench sets are shown．In魚ct，in the histograms the correlation coeHicient
of each element dif驚rs fヒom one bench set to
another．Figure7shows the histograms ofcorrelation coefacients飾r B，Ge，Mo，W．
Apparently these elements are negatively
correlated with ash contents and considered
to be associated with the organic part in the
coals。Figure8shows the positive correlation
ofBa，Mn and Sr．The correlations ofB我，Cr，
Cu，G我，：L量，Mn，Pb，Sn，Sr，U鍛d Zn with
ash content are positive。This means that
theseelements are associatedwiththeinorganic
part in the coals．In the histograms of the
correlation coe伍cient｛br Co，Ni and V，the
coefacients are distributed in wide range fヒom
negative to positive as shown in Figure9我nd
the a伍nities ofthese elements areintermediate．
A¢髭聡⑯w恥竃豊ge朧，磯重
The authors would like to express their
thε軋nks to Dr．Y．SHIMAzAKI R）r his carefhl
re＆ding ofthe manuscript。
醜e露e窟e聡ces
BoHoR，B．F．and GLusK㎝ER，H：．」．（1973） Boron in
illite as乱n indicater of paleosalinity of Illino蛤
coals．Joz67。S84。P6翻oJo9フ，vo1．43，P．945－956．
GLusKoTER，H．J．，R．uGH，R．R。，MILLER，W。G．，CAHILL，
R．A．，DREHER，G．B．and：KuHN，J．K（1974）
Trace elements in coa1＝Occurrence and dis－ tribution．π」．S♂‘z虚6（穿60」。Sπ7∂¢y O客償6．，vol．499，
一298一
華
盈no7．EJ膨濡厩」1αゆαη65600α」（π）（加漉，オη40磁4乃鰯α）
娩
o息
E噂
軌
午o
L脚
』匠コ
z
i8
5
u⑳
一 i臼島
E師
uサ0 5
Lo』E】
Z
一i e
Co胤a伽脚を舳1魯ntoヂ Co
i
一1 9
ε5r油宅1醐o酬ci魯竹協 闘i
耽⑳
一軍 i日虹渥断
脇
ヰ0 5
Lo£E⊃
Z －1
i
154P。
KuHN，J．K，FIENE，F．L，CAHILL，R．A。，GLusKoTER，
H：．J。and SHIMP，N．F。（1980） Abundance of
trace and minor elements in organic and
mineralfピactionsofcoal．π乙3鰯6σ60乙S％7妙 Eη∂歪70π。（穿60乙ハηo∫85，vo1．88，67P．
MITA，S．（1960） ハ4∫n67α176507665qプ」ψαπ，ed．by Geol．
Surv。Japan，voL V－a，p。678（in Japanese）．
MocHlzuKI，T。and SEKINE，S．（1978）∠πψ伽」磁孟hoゐ
げ（穿60Jog∫6α」ハ《伽吻」5，ed。by Geol．Surv．Japan，
vol．1，P。229－238（in Japanese）。
RucH，R。R。，GLusKoTER，正L工and SHIMP，N．F．（1974）
Occurrence and distribution of potentially
volatile trace elements in coaL刀」．S鰯θ060」．
Sz67∂（クEn擁70η．060」』ハ石oホ65，vo1．72，96P。
TAKEDA，E。（1981）Minor elements in Japanese coal．
B％〃．（穿60乙S％7∂。」ψαπ，voL32，P．583－682 （in
Japanese with English abstract）。
TAYLoR，S。R．（1964） Abundance ofchemical elements
incontinentalcrust．（ヲ806h勉．σo銅06h珈．オ吻，
voL28，P．1273－1285．
日 1
ぐg閥詑繍朧’甑e爵鰯 》
Fig．9 Distributions ofしco皿elation coe伍cients of’the
elements of Co，Ni and V in each bench set。
地 名 対応 表
Mogami最上
Hiraga平鹿Sasebo 佐世保
Miike 三池
Owari尾張Mino 美濃Kushiro釧路
Ube 宇部
Igu 伊具
Mikawa－Akatani 三川赤谷
Sakito－Matsushima崎戸松島
Fukuoka 福岡
本邦における石炭中の微量成分に関する研究（竈）
今井 登・安藤 膿・竹田栄蔵
要 旨
竹田（1981）により報告された本邦中の12地区の炭田から得られた石炭中のウラン・ヒ素・ホウ素・ゲ
ルマニウム・銅・鉛・亜鉛，モリブデン等19元素と灰分の総計2万成分におよぶデータの統計的解析を
行い，各炭田における微量元素の分布の特徴を明らかにした．
炭化度の低い亜炭・褐炭地区の炭田にはAs，Ge，Mo，U，Wの元素が渥青炭地区の5－10倍含まれて
一299一
御1伽ψh6σ6・」・μα」3％剛げ」‘脚η，鳳35認・．7
いる．含有量のばらつきはAs，Ge，：Li，Pbが大きく，Crが小さい．相関の高い元素は（1）灰分一Cr，Cu，
Ga，Mn，V（2》Ba－Sr，（3）Cr－Ga，V（4）Ga－Li，Vであり，これらは鉱物として石炭に混入したものと考
えられる．
地殻の平均値と比較してAs，B，Ge，Mo，U，wが石炭に10倍以上濃縮し，Co，Ni，Mnは地殻中の1／、。
以下の濃度である．ホウ素の濃度の高い美濃・三池等の炭田は他の炭田と比較して，石炭が堆積した時
により高い塩度の水（汽水・海水）の影響を受けたと考えられる．
炭層中では石炭蔀分に濃縮する元素と挟みや上・下盤で高い濃度を示す元素がある．ゲルマニウムは
炭層の上・下端や挟みの周辺で特徴的に高い値を示し，炭層に後生的に付加することを示唆する．各炭
層ごとに灰分との相関をとった結果，有機物と親和力のある元素はB，Ge，Mo，Wであり，無機物と
親和力のある元素はBa，Cr，Ga，Li，Mn，Pb，Sn，Sr，U，Znであることがわかる．
（受付11983年9月22日；受理：1984年6月1日）
一300一
i臼
N 5
3
2｛∋
N ■臼
9
2臼
N i臼
8
2臼
N ■8
9
2臼
N ■臼，
2臼
N ユ臼
M伽07E伽齢伽」α卿65600α」（π）（1剛，廊4・αη47h鰯α）
A聖聖配胴恥麗S
2臼 2臼
N N
i8 ユ臼
管三h2432z’B邑臼臼三… B13日2i839臼評 2日 2臼
N N
i日 i臼
5朋 759 ユ臼朋 臼 ⊥3 29 39 43 9 ■6 2a 3臼 4臼Ba m c。 ppm CF ppm
2臼 2臼
N N
i臼 ■日
59 75 ■9臼 の 畑 29 3a 4g B ■日 2a 3臼 4臼
Cu ppm Ga ppm 砧e ppm 2臼 2臼
N N
i臼 i臼
ロ ユのビ とおお ヨのお ご む お ドエお をお ヨむ ヰおヨビ す おむ
m 回n ppm 回o ppmL i
2臼 2臼
N N
⊥e ユ8
2㊧ 39 4臼 臼 畑 2a 3a 49 B 5 ■3 ■5 28 ワ ぼ ワハ ト4i Pb 宮n ppm
29 29
N N
：LB ■臼
2の臼 3臼B 489 お ぢビ ユロお ユさお とむロ む ヨぢ エむむ エ む ゑおロ ドセつぼ
e「 v ppm ～n …Fig．1D蛤tributions ofminor elements and ash content in Mogami Coal Field．
一301一
9
9
8
259
25
■5
■B
■a臼
講
＄
嬉爆囎噸麟
βπJJ6痂z qプ云hθ080Jog∫αzJ3z4御尼アq〆」ψαη，yb乙35，ハ7b。7
H4
2
4
6 8 ■6
自与h％
N4
2N4
2
N2
N4
2
臼
臼 253 5臼臼
Ba
5臼 ユ2の ユ89 248
ppm 自三
4
N4
2
N2
臼
758 生臼e8
ppm
i臼6 2臼臼
B363
N4
4eappm
2
25 58
Cu
臼 止9 2臼 36 4臼
ρP嗣 Co
4
9
N4
2
N
臼
2
75 ia臼
ppm
i6 F29
Cr3日
N4
49ppm
2
3臼
L i
∈｝ ie 2∈｝ 3∈シ 4〔3
pp閉 ¢a
4
8 i5
N4
2
N
9 工96 2臼臼 3a臼 488
回n ppm
6
2
45 6日
ppm
工9 2臼
（3臼
33
N4
a
4appm
2
4
工B 2臼
N i
N4
2
N
臼
2
3臼 4臼
ppm
i8 ～臼
凹o
3臼
4
4日
ppm
N
ユ〔…〕8
2
2臼9
言r
38㊧ 4日臼
PP㎜
臼 ■臼 2a 3B 4B
Pヒl ppm
㊧
N4
2
6 5 ■9
i3n
■5 28ppm
65 i日ユS2a PP凹 u
臼 5臼 i臼㊧
vユ59 29臼
ppm4
N2
臼 59 ■a臼
～n
■5B 29臼
PP町1
Fig．2 Distributions ofminor elements and ash content in Owari Coal Field．
一302一
雌π・沼」膨傭伽」α卿656伽」（π）（語剛，圃痂αη4乃鰯α）
N6
3H
6
a β 工6 24
角言h
3
⊇2
N6
3
N6
3
N6
3
25臼
9 6e ■2臼
臼5
臼 5ae 75臼
Ba
欄 言鴛
N6
3
N6
3
臼
繍臼臼 工a 28 39
Co論
ユao 28臼
B38臼
N6
日
識
3
25 59 75
Cu
N6
3
N6
9
繍 29 3e
（3a論
：L9
3
9 ↓B
22 39
CF
6
論
N
臼
3
N6
■5 3日
L i
45
N6
3
3
2日a 3eg
hn
9 ユ臼
3雲ma ■臼9
29 39
〔3e
6
篇
N
e
3
6
工8 2日
国i
38
藷
N6
3
N
a
3
＃3m 29 3臼
Pヒ
工B
臼 ：L9
2日 3臼
凹o
N6
謡
3
臼 ig8 ～ga 3臼9
13F
謡
課
N6
3
国
6
9
3
臼 5 i臼
u
5 ⊥9 ユ5
言n
N6
謡
3
茸臨 a 58 ig㊧
vユ5日 講
6 5臼 ‡日9
回
工53 謂 e 5臼 ■臼9
～n■59 欝
Fig．3 Distributions ofminor elements and ash content in Igu Coal Field。
一303
βz4」6あηgプ護h6θ60Jog歪6α」8z67び夢げJlψαπ，y≧）乙35，ハ乙o．7
4臼
N 2a
4a
N 2a
a 8 i6 24
f『写h
妻2
4臼
N 2a
4臼
N 2臼
4臼
N 28
259 599 759
Ba諜臼
a 69 工～∈〕 ■86
臼5
e
言謡
4臼
N 2a
4臼
N 2臼
8 工臼 28 38
Co
紹m
9 ■a臼 2e6
B3B9
4臼
N 2臼
3 25
欝
59 75
Cu繍
4臼
N 2a
4臼
N 2a
臼 ig 2日 3臼
（3a
器m
臼 ⊥9 2臼
Cr3a
4e
N 2臼
臼 ユ5
紹m
3臼
L．i
45 言言m
4臼
N 2臼
4a
N 2e
臼
臼 ■9臼 2aa 3日臼
回n識
fL6 2の
《3e
3日
4臼
N 2臼
9 ↓臼
諾m
4臼
N 23
2臼
国i
4の
N 2臼
9 ま9 29 3臼
P旨
日
39 紹m
i8 2臼
回o
3a
7臼
N 35
臼 ユ3臼
島
2臼㊧
．冒卜3臼9 誹
鋸m
4e
N 2臼
a 5 ：し日 ：し5
u
臼 5 ■a
宮n
：L5 駕m
駕，朔 臼 5臼 ユ6a
）
■58 講
4＠
N 2e
8 59 ■6B
～n
Fig．4
■5臼 2㊧6
ppm
Distributions ofminor elements and ash content in Hiraga Coal Field。
一304一
ハ4伽07EJ6ηZθ初5ゴη」αゆαη85θ（】0α」（ZI）（1吻∫，∠1η40αη4ZZ舵4‘Z）
N6
3N
る
3
日 8 i6 24
白言h
32z
N6
3
N6
3Nb
3
25B 5a巳
Ba758 ■臼日6
ppm
3 G9 工2a ■86 249
ppm 臼言
臼
N6
3
国
6
3
臼 ⊥3 29 36 4臼
Co ppm
6 i8a 2臼9
B3日a
N6
日
4gappm
3
25 5㊧
Cu75 ユ66
ppm
N6
3
N6
B ■9 2日 39 4｛a
ppm qa
8 ⊥9
3
28C卜
38
N6
4eppm
3
N6
3
e ユ8 2a¢e
38 49ppm
N5
3
a ■5 3aL i
45 6日
ppm
偶
6
3
2a丙i
8 iag 2aの 3e8 4a8
hn ppm
6
8 ユ臼
N6
3
N
8 ↓9
3
3β 49
ppm
6
㊧ 工9 2臼 39 4の
ppm Pb
2日
凹o
39
N3
日 ユ99 2605卜
4臼
ppm
3臼8 489
ppm
N6
3
N3
臼 5 i臼
呂n
■5
N．
6
2appm
3
工ga
回
：L5日 2臼日
ppm
65 ユB：L529 u ppm
臼 58
a 5臼
6 5臼 ⊥臼0 ■5臼 2ag
ppm ～n
工a日
）
i5a 2臼B
PPm
Fig．5D蛤tribu砿ons ofminor elements and ash content in Mino Coal Field。
一305一
β吻漉φhθ06・」・9ε6αJSπ吻ヴ」卿η，弘・乙35，1％・7
N6
3
村
3
6
臼 8 工6 24
白葺h32κ
四
6
3
N3
H6
3
臼 25e 59臼
Ba75a 工日8B
ppm
臼 6e ■2臼 ：し8a
角5
6
24臼
ppm
N6
3
N3
臼 工9 2B 3臼
Co
臼 ■a臼
6
2臼臼
B3日0
N3
6
6 25 5a
Cu
4a日
ppm
75 iBg
ppm
49ppm
N6
3
N
e ■9 2の 39
9a
臼
3
■a 2a
Cr39
N
6
6
49ppm
3
：L5 3aL i
4㊧
PPm
N6
3
日
45 6日
ppm
3 ユe9 2臼9 3ee
凹n
4gappm
■臼 2aG已
39 49PP閉
B ia 2臼
凹o
3日 4㊧
ppm
N6
3
N6
3
N6
3
N6
3
9 工日 2aN i
3日 4㊧
ppm
N6
3
B ⊥9 29 39
P』
4臼
ppm
N6
3
臼 5 ■臼
∈3n
工5 aoppm
N6
3
臼 ↓臼臼 29臼 3㊧a
菖r
4日3
ppm
N6
3
a 5 ：L㊧ ユ5
u
2臼
ppma 5a ■a臼
v工5臼 2e日
ppm
臼 59 ：L臼a
闘
工5e 299
ppm
臼 5e i臼臼 』．5臼
2n
299PP閉
Fig。6亙）istribu穏ons ofm圭nor elements and ash content in Mikawa－Akatani Coal Field，
一306一
漁・7E伽齢配卿鰯6σ・α」（π）（動砿編・απ4乃鰯α）
N8
4N
8
臼 8
4
8
■6 24
臼5h
32x
N8
4
N4
N8
4
25a 5a8 75臼
Ba工aB臼
ppm
臼 69 ■2日 ：L89 249
臼5 PP恥
8
9
因
8
4
N4
B ⊥臼 2臼 3日 49
Co ppm
9 iag ～a臼
B398
N8
4geppm
4
臼 25 5臼
Cu75 i∈｝9
ppm
N8
4
N8
e 工臼 2臼 36 49
pp閉 く3a
6』 ■B
4
2臼
CF3日
N8
46ppm
4
8 ■5 3a
Li
N8
4
N8
臼 ユ臼
4
45 6B
ppm8 ■B9 28a 38∈〕 499
Hn ppm
2臼
く袖
39
8
43PP朋
N
o
4
ig 29国i
39 42
ppm
N8
4
9 工6 2a 3臼 4臼
Pb ppm
6 」．9 2臼
凹o
39 4appm
臼 5 ユ9
呂n
■5 29ppm
N8
4N
8
4
臼 iBe 2ga言r
3の臼 4臼臼
ppm
N8
4
0 5 畑 工5 2臼
U PP珈臼 ユ98
vユ5臼 266
ppm
8
N4
臼 5臼 ⊥日臼
～n
ユ5臼 2a8
PP『n
Fig．7 D二stributions ofminor elements and ash content in Sasebo Coal F五el己
一307
Bz6πθあηげ♂h6（穿60Jogδ6α」3％7∂夢qブ」αメ）απ，％乙35，ハあ．7
ヨロ
Nユ
5tN
3臼
ユ5
3臼
9 8 ユ6 24
臼5h
32輩
N3e
ユ5
Ni5
N
3臼
工5
259 5eg
Ba
臼 69 i22 i8臼
白言
3a
臼
248ppm
N
3臼
ユ5
N
8
⊥5
75a ⊥999
PP『口
8 ↓e 2臼 3B
Co
ユ臼a 2∈〕9
B3ga
N3臼
4B6ppm
ユ5
4臼
ppm
N3臼
i5
臼 i9 2臼
Cr39 4臼
ppm
N
3臼
ユ5
臼 25 5㊧
Cu75 ■8臼
ppm
N3日
ユ5
臼 ユB 2臼 3臼
（3a
4臼
PP閉
N3臼
i5
㊧ ：L6 28信臼
38 4臼
ppm
G ■5 3臼
L i
45 66
ppm臼 ■9臼 2a∈〕 3臼a
囲n
4臼a
PP叩
3 工e 23回o
3a 4eppm
N3臼
■5
N3e
i5
o ユB 29卜4i
39 49
ppm
N3臼
：し5
N3臼
：し5N
3臼
：し5
293呂r
3臼9 46a
ppm
e ⊥3 29 3日
Pb
e 工9臼
49PP叩
N3臼
ユ5
臼 5 ユ0 ■5
u
臼 5 ■臼
宕n
i5 2臼
Ppm
2㊧
ppma 58 ■B3
）
工5臼 29臼
ppm
3臼
四
i5
臼 5a ■e臼
Zni5∈〕 28臼
ppm
Fig．8 1）istributions of minor elements and ash content in Kushiro Coal Field。
一308一
超η・7EJ6膨傭」η」卿η6560・α」（π）（ヱ伽∫，廊4・αη4乃鰯α）
N
2臼
i臼
u
2臼
■8
2臼
臼 8 ■6 24
臼三hI
32z
N
6
2臼
：La
N工臼
N
2臼
■8
9 253 5臼a 759
Ba
6臼 ■29 ：し8∈〕 249
PPm 臼三
2臼
N2日
i6
N
9
ig臼臼
PP『n
i臼 29 39 48
ppm Co
i臼日
：L8
3
2B臼
B3a臼
2臼
428ppm
Ni8
麟
2日
：L臼
6 ：L8 29Cr・
3B 4臼
ppm
a ■臼 29 3a 43
ppm qa
臼 ユ9
a23q已
3925 5日
Cu75 ■9臼
pprr量
4臼
ppm
糾
2臼
：L臼N
2臼
a
ia
28
■5 3BL i
45 6日
ppm
N2臼
ia
Nユ9
N2a
ia
臼 工臼9 2Ba 3臼B 436
PP閉 凹n
N2a
■臼
a 工9 2a
Ho3a 4a
ppm
N29
：L臼
3 ユ㊧ 2aN i
36 4臼
pp凹
N2臼
：し9
8 ■臼 2a 39 49
Pヒl ppm
9 ：L臼9 29㊧
言r
3臼9
N2臼
ユe
B 5
4㊧臼
ppm
■9
呂n
ユ5 29ppm
a 5 ⊥9 i5 盆B u ppm
9， 5臼 i日臼
v ppm
2a
Nユ臼
6 58 i臼臼
＝n
：し59 2∈）e
ppm
Fig．9Distributions ofminor elements and ash content in Sakito－Matsushima Coal Field．
一309一
Bz5π6あπgプ孟h66！60Jog露α」5z6π7¢リヴ」吻り‘zη，レbJ．35，ハ7b。7
吋
：L臼
5
N
：L臼
5
i臼
8 8 ⊥6 24
臼言h
32z
H
：La
5
N5
■a
村
ie
5
ド
臼 259 5臼臼
Ba
a 68 ■2B fし89
R…3
24臼
ppm
桝
i臼
5
巳 工9 2臼 3臼
Co
臼
5
工臼臼
ppm
2臼9
B38臼
N
i日
49臼
pp閉
5
49ppm
Nia
5
8 ■9 2臼
CF3臼 4a
ppm
N
i臼
5
巳 25 5巳 75
Cu■8㊧
ppm
瞬
i日
5
9 ■臼 29 39
¢愚
臼 ユ5 39L i
4臼
ppm
N：Lの
5
⊥D
臼
N5
ppme ■96 2臼a 38a
凹n
4臼a
ppm
ユ日
i臼
20 3日
9曽
N
a
5
i臼 2aN i
46ppm
N
i臼
5
9
39 4日
ppm
臼 iB 23 38
P旨
■臼 2e円o
39 48ppm
48pp叩
臼 5 ：L8
嘗n
■5 29pp田
N■臼
5
国
i日
5
e ユa日 2臼臼
言r
3a臼 46臼
ppm
Ni臼
5
㊧ 5 ユ巨〕 ユ5
u
28PP閉
a 59 ⊥a臼
v■5臼 2ga
ppm
N
：L臼
5
a 5臼
ppmZn
Fig．10 Dis曾ibutions of minor elements and ash content in Miike Coal Field。
一310一
萎
掘伽07EJ6η3θ磁5勉Jlαゆαη65600α」（π）（語η3α歪，∠豊ηdoαη4乃κθ4α）
N4
2N
4
B 8
2
4
■6 24
角5h32z
N4
2
N2
N4
2
259 5a3B且
8 6a ユ29 氏8臼 249
PP叩 臼三
4
臼
N4
2
N
臼
2
75臼 igag
ppm
■臼9 2Be
B3臼9
4
4臼9pprn
N2
25 59
Cu75 工9臼
ppm
e i臼 29 39 4a
Co ppm
B
N4
2
N4
9 工9
2
9 」rg ag 39 4a
Ga ppm
2aCr・
3臼
N4
e ：L5
4臼
ppm
39L i
2N
4
2
a ■臼
45 69
ppm
2臼
（3白
39 48ppm
e ■臼6 2ga 3ag 4臼9
同n ppm
臼 玉9 2臼
凹o
3臼 4日
ppm
円
4
2
N4
6
2
ユ9 2臼
N138 49
ppm
N4
2
9 ：L9 26 39 4e
ppm Pb
日 5 i臼
｛3n
：L5 2臼
pp田
N4
2
a ■臼臼
er ppm
N4
2
N4
2
日5 i臼ユ52㊧ u ppm
8 59 ⊥ga
v■53 2a臼
PPm
4
N2
8 5臼 ia臼
～n
i5の 2臼臼
ppm
Fig．11 Distributions ofminor elements and ash content in Ube Coal Field．
一311一
B％伽ηφ加06・」・9伽JS％吻げ」‘ψαη，％乙34葡・7
N：L2
6N
：L2
6
i2
a 8 ■6 24
臼…lh
32z
N
i～
6
N6
Ni2
6
25臼 5aB
Ba
9 69 i2臼 ⊥8臼
臼5
：L2
8
24臼
PP閉
Nま2
6
N
臼
6
759 ■9日臼
ppm9 i8 29 3臼
Co
i臼9 299
B3e日
Nユ2
4∈〕9
ppm
6
Ni2
a 25 5臼 75
Cu
49ppm
N■2
6
6 ■臼 29 39
（3a
8
6
ia臼
ppm
⊥6 2臼
CF3臼
N■2
49ppm
6
8 ⊥5 39L i
4appm
N
工2
6
9
45 6臼
ppm
9 i臼〔3 20∈シ 3e臼
凹n
ユ9 2a（3e
39 4臼
ppm
499ppm
臼 i臼 29凹o
3a 43ppm
Ni2
6
Ni2
6
臼 i臼 28■i
3a 49
ppm
Nユ2
6
a ia 2a 3a 46
ppm Pb
9 5 i臼
呂n
：L5 28ppm
瞬
i2
6N
ユ2
臼
6
i39 269呂r
389 4臼9
ppm
N⊥2
6
臼 592㊧
ppm
⊥aの
v■5臼
藝萎
叢塁萎
＄き垂
盤嚢羅
嚢睡嚢
Ni2
6
9 5 fL臼 ■5
u
ユ5臼 2臼9
ppm
2臼Bpprn
9 59 ：LgB
；2n
Fig．12 Distributions ofminor elements and a曲content圭n：Fukuoka Coal Field．
慧翁
繋
一312一
翅吻E伽θ傭動」卿η658σ・α」（11）（加ゴ，護η伽η47初鰯α）
Co邑1
om臼
1麗
鋤繍 2臼臼窮nd
臼呂h ％
6 5 5e 75 朋 om 臼臼 8 5
Cr・
4 32ppm
Coa1
繍G、ShCo＆1
Sand
i的
2，，睡
cm臼
臼 朋 5肥自5
75像 8朋ppm
Coa1
i鴎
繍繍 2朋5and
Co邑1
臼勇m
i陥鼎c，ShCoa玉
3鵡d 2的
Cu ppm6 8 ら 4 32
臼4臼 額
B2躰 憩
PP田
6cm
Coai
《3εしρpm
るm
8
i臼9
鼎C，9hCoa1
2舶Sand
Coa1
i臼臼
繍C、ShCo邑1
S旦nd 28臼
臼 7 4 i 8
Coa1
om6
i臼臼
鋤1るll
2臼B言and
Ba ppm
6 25 5臼 375 566臼弓m 6 、巳 5
く3曙…・
37．暮 58叩m
Coa1
i朋繍G，3hCoal
Sand 2日8
om 6 5 56Co
胃 3臼
PP蹄
Coa1
臼る冊 6 25 甜
L i
375 8appm
日
i朋繍C、ShCoa1
2B臼3韻d
Co愚1
i脆
鼎c，ShCoa1
3＆曜 2e臼
Fig．13 Distributions ofminor elements and ash in bench set fピom Hiraga Coal Field．
一313一
．B％JJ6痂のh6080」・96‘αJS％グ吻げ」ψ伽，蹴35μ％．7
Coa1
6om
i3B繍総 28日8and
門n ppm6 25 5臼 375 598
Co邑1
¢m
臼
igo繍繍 2朋s塵nd
Sr・ ppmB 3朋 6鮒 ％臼 臼B
om臼
B 2、5 5鱒o
37，5 53ppm
Coa1
i朋繍
1るll
2臼95and
Coa1
ecm Bu
4ppm
19臼
繍1激
2日9Sand
cm 8 3 6四i
9 2ppm
Coa1
6o珊 臼 25 s臼
v375 5臼臼
PP盈
臼
i臼B
繍繍 2朋Sand
CoaI
ig9繍繍5and 2朋
Coa1
cm8
igB繍繍 2臼eSand
Pb ppm6 4 8 2 6
Coa1
om魯
i臼9
繍繍 28eSa補
～n PP厩
6 76 4a 把 8e
Cod
C冊
臼
i臼臼
鋤総 2Ba3and
Sn PP旧
8 4 8 2 6
a
Fig．13 Continued卜
一314一