U2 Topic 3 - Sedimentary Rocks

Base your answers on the diagram which represents the formation of a sedimentary rock. [Sediments are drawn actual size] The formation of which sedimentary rock is shown in the diagram?

• conglomerate

• sandstone

• siltstone

• shale

Base your answers on the diagram which represents the formation of a sedimentary rock. [Sediments are drawn actual size] Which two processes formed this rock?

• folding and faulting

• melting and solidification

• compaction and cementation

• heating and application of pressure

A conglomerate contains pebbles of limestone, sandstone and granite. Based on this information, which inference about the pebbles in the conglomerate is most accurate?

• They had various origins

• They came from other conglomerates

• They are all the same age

• They were eroded quickly

According to the Reference Tables, which sedimentary rock most likely formed as an evaporite?

• silstone

• conglomerate

• gypsum

• shale

What rock is formed by the compression and cementation of sediments with particle sizes ranging from 0.08 to 0.1 centimeter?

• basalt

• conglomerate

• granite

• sandstone

Most of the surface bedrock of New York State formed as a direct result of

• volcanic activity

• spreading of the ocean floor

• melting and solidification

• compaction and cementation

Which characteristic of a sedimentary rock would furnish the greatest amount of information about the environment in which the rock was deposited?

• hardness

• color

• density

• texture

The diagram represents a conglomerate rock. Some of the rock fragments are labeled. Which conclusion is best made about the rock particles?

• They are the same age

• They originated from a larger mass of igneous rock

• They all contain the same minerals

• They have different origins

According to the Reference Tables, which characteristic determines whether a rock is classified as a shale, a siltstone, a sandstone or a conglomerate?

• the absolute age of the sediments within the rock

• the mineral composition of the sediments within the rock

• the particle size of the sediments within the rock

• the density of the sediments within the rock