Sedimentary Rocks and Processes

Front

What type of sedimentary rock is described: Made of mud, high fossilization potential, fine texture.

Back

Shale

Front

What type of sedimentary rock is described: Made of rounded inclusions of a wide variety of rocks, coarse texture, not well sorted?

Back

Conglomerate

Front

What type of sedimentary rock is described: Made of intergrown calcite minerals, effervesces vigorously in weak acid (HCl), may have fossils? Options: Sandstone, Shale, Limestone, Coquina

Back

Limestone

Front

When sediments are pressed together tightly, this is called ____________.

Back

Compaction

Front

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

Back

Sedimentary

Front

Sandstone is deposited in layers of sand (beaches and/or deserts). The picture shows obvious:

Back

Horizontal bedding planes

Front

What describes the rock pictured? (*Note: Obvious shells) Options: Breccia, Conglomerate, Limestone, Coquina

Back

Coquina

Front

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

Back

Detrital Sedimentary

Front

The process of abrasion does WHAT to rock trapped in moving water as it flows downhill and downstream?

Back

Rounds the fragments as a mechanical/physical process.

Front

This rock was formed by rounded pieces of rock that were deposited from moving water. Why are the inclusions rounded?

Back

Abrasion - mechanical/physical weathering