Geology Sedimentary Rocks Flashcards | Quizlet
Fossiliferous Limestone (limestone) Group- Biochemical Texture- Numerous fossils reacts to hcl Composition - over 50% calcite with some clay minerals. Sedimentary Coal. ... Composition- abundant rock fragments, some quartz and feldspar plus has a clay matrix. Travertine (limestone) Group-Biochemical Texture-irregular crystalline layers. Reacts ...