Sedimentary Rock Identification printable pdf download

Sedimentary Rock Identification

Lab # _____

Name:_______________________________________________Date:________________Lab Day:_____

Lab Period: _____

Sedimentary Rock Identification

Directions;

1. Refer to page 7 of the Earth Science Reference Tables, “Scheme for Sedimentary Rock Identification” to

help identify the samples from the box of sedimentary rocks.

2. Place the each sample next to its description and ask the teacher to verify your results.

3. After your results have been checked, sketch each sample in the space provided.

Sample A: This sample of sedimentary rock has a clastic texture and is composed of grains of clay

(sediments with a diameter less than 0.0004 cm). The particles are composed mostly of quartz, feldspar, and

clay minerals and my split easily. What is the identity of this sedimentary rock?

Answer: ______________________________

Sample B: This sedimentary rock has a bioclastic texture and is composed of grains of calcite ranging in

size from microscopic to coarse. It may contain shell fragments or precipitates of biologic origin. Fossils are

often found in this type of rock. Name this sedimentary rock.

Answer: ______________________________

Sedimentary Rock Identification