Sedimentary rocks

Question 1

Formation of sedimentary rocks

Answer 1

Weathering > erosion > deposition > compaction and cementation

Question 2

How are sedimentary rocks classified?

Answer 2

Based on the WAY THEY FORM

Question 3

Clastic

Answer 3

Made of weathered bits of rocks and minerals- from physical weathering (shale, sandstone, conglomerate)

Question 4

Chemical

Answer 4

Form when dissolved minerals separate from water- chemical weathering (chemical limestone, rock salt)

Question 5

Organic

Answer 5

Formed by the shells and skeletons of organisms that settle to the ocean floor (coquina, fossil limestone)

Question 6

Graded bedding

Answer 6

When different sizes and shapes of sediment settle to different levels in the rock

Question 7

Cross bedding

Answer 7

The slanting of layers in sedimentary rock