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Locales - Rocks

QuestionAnswer
Sedimentary basins Wacke / Greywacke Shale Phosphorite
Marine Siltstone Claystone
Non-marine Sandstone Conglomerate Breccia
Old sea basins Limestone
Common Dolomite
High-energy marine zones Coquina
Sedimentary and metamorphic terrain Coal
Nodules in limestone Chert
Metamorphic terrain Slate Serpentine Schist Quartzite Phyllite Marble Hornfels Greenstone Gneiss Argillite Amphibolite
Volcanic regions Porphyry Scoria Basalt
Ancient terrains Peridotite
Older continental crust Pegmatite
Mountainous terrain Granite Gabbro Diorite
Downwind from volcanic ranges Tuff
Common as pyroclastic flows and caldera fill Rhyolite
Volcanic Mountain Ranges Pumice Andesite
In rhyolite flows Obsidian
Sandstone Concretions
Volcanic ranges; domes, dikes, or sills Dacite
Created by: frishanini
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