1. A nonmarine clastic sedimentary rock composed of angular fragments surrounded by matrix is:
1.breccia.
2.conglomerate.
3.turbidite.
4.fossiliferous limestone.
5.arkose.
2. A clastic sedimentary rock with clay and silt-sized grains that breaks in thin sheets is called:
1. mudstone.
2.shale.
3.siltstone.
4.graywacke.
5.micrite.
3. Which term has nothing to do with the mineral calcite?
1. chert
2.fossiliferous limestone
3.chalk
4.micrite
5.aragonite
4. The organic sedimentary rock that is composed of mud-sized particles and partially decayed organic matter derived from plankton and algae remains is:
1. coal.
2.fossiliferous limestone.
3.chert.
4.oil shale.
5.dolostone.