Types of sedimentary rocks

1. What are the main ingredients in sedimentary rocks?

2. How many groups according to particle-size are there?

3. What are fine-grained particles?

4. What are medium-grained particles?

5. Classify the following rocks according to grain-size:

- mudstone - orthoquartzite

- shale - arkose

- siltstone - graywacke (grey)

6. Where do rock-forming fragments settle?

7. What are the four components of sandstone?

8. According to components, what are the four types of sandstone?

9. What is the percentage of sedimentary rocks?

10. What are the ingredients in a clastic sedimentary rock? (draw a diagram)

3.2.4 Use the following, so as to write a description of sedimentary rocks. Label each description (conglomerate / breccia / rudite)

coarse rounded fragments poorly sorted fragments

clasts waterborne clay-rich matrix

finer particles remnants talus

natural concrete(s) eroded mountain ranges deserts

mountain fronts mudslides

shallow coastal waters shrinkage

natural cement

--------------------- ----------------------------- --------------------

to be mixed to accumulate to be embedded

to consolidate to mix with to originate

to bound