List: Geological rock types

List: Geological rock types
Clue: A sedimentary rock composed primarily of coccolith fossils(A rock type - Geology)
Answer: Chalk

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Clue: A rare type of granite containing pyroxene(A rock type - Geology)
Answer: Charnockite

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Clue: A fine grained chemical sedimentary rock composed of silica(A rock type - Geology)
Answer: Chert

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Clue: A sedimentary rock formed from clay(A rock type - Geology)
Answer: Claystone

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Clue: A sedimentary rock formed from organic matter(A rock type - Geology)
Answer: Coal

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Clue: A sedimentary rock composed of large rounded fragments of other rocks(A rock type - Geology)
Answer: Conglomerate

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Clue: A poorly sorted conglomerate(A rock type - Geology)
Answer: Diamictite

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Clue: A sedimentary carbonate rock formed by accumulation of abundant shell fossils and fragments(A rock type - Geology)
Answer: Coquina

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Clue: A felsic to intermediate volcanic rock with high iron content(A rock type - Geology)
Answer: Dacite

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Clue: A coarse grained intermediate plutonic rock composed of plagioclase, pyroxene and/or amphibole(A rock type - Geology)
Answer: Diorite

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Clue: An ultramafic cumulate rock composed of olivine and accessories(A rock type - Geology)
Answer: Dunite

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Clue: An ultra-high grade metamorphosed basalt or gabbro; also a facies of metamorphic rocks(A rock type - Geology)
Answer: Eclogite

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Comments: Statistics: 280 Images: 0