Sedimentary Questions

1. Which sedimentary rocks are formed from mostly organic matter?

Rock salt and shale
Coal and limestone
Dolostone and gypsum
Sandstone and conglomerate

2. What ancient environment probably existed in the Syracuse, NY region when large rock salt deposits formed?

A shallow sea
A large, fresh water lake
A volcano
A tropical rain forest

3. Which rock was formed by the compaction and cementation of particles 0.07 cm. in diameter?

Conglomerate
Sandstone
Shale
Siltstone

4. Which could be a sedimentary rock?



1
2
3
4

5. Which of the following rocks would be most likely to contain fossils?

Granite
Schist
Siltstone
Quartzite

6. Which rock is composed of materials that show the greatest variety of rock origins?

Limestone composed of coral fragments cemented together by calcium carbonate.
Conglomerate composed of pebbles of granite, siltstone, and gneiss.
A very fine-grained basalt with sharp edges.
Sandstone composed of rounded grains of quartz and feldspar.

7. The rock shown in the diagram is most likely



Andesite
Gneiss
Pegmatite
Conclomerate

8. Which characteristic would indicate that a rock was formed from sediments deposited in shallow water near shore rather than in deep water?

Hardness
Dark color
Large grain size
A large amount of cement

9. The mineral represented in the diagram might be part of a sample of



Rock salt
Limestone
Sandstone
Bituminous coal

10. Which sedimentary rock was most likely formed from sediments weathered from an ancient mountain range?

Dolostone
Siltstone
Rock salt
Bituminous coal

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