department of earth and atmospheric sciences · concretions are common in sandstones and shales,...

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Page 1: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 2: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 3: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 4: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 5: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 6: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 7: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 8: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);
Page 9: Department of Earth and Atmospheric Sciences · concretions are common in sandstones and shales, and chert concretions are common in carbonate rocks (e.g. , Tucker, 1981, p. 80);