Sedimentary rocks

Question 1

marble

Answer 1

metamorphic rock that forms by limestone or calcite

Question 2

sandstone

Answer 2

sand grains are compacted together; composed of mineral quartz (feldspar); ancient SHORELINE

Question 3

cross bedding

Answer 3

layers inclined at angle; sand moved by currents that form sand waves; PALEOCURRENT

Question 4

graded bedding

Answer 4

progressive decrease in grain size upward; turbidity currents

Question 5

transgression

Answer 5

sea level rises; shale and sandstone

Question 6

regression

Answer 6

sea moves off land (decreases); sandstone, shale, limestone

Question 7

limestone

Answer 7

chemicals; calcite and dolomite… buildings and statues; ancient REEF

Question 8

trace fossil

Answer 8

bed surface mark; ANIMAL footprints

Question 9

lithification

Answer 9

compaction and cementation; transforms loose sediment
into solid rock

Question 10

fluvial

Answer 10

River; river channels, river bars, and adjacent floodplains

Question 11

eolian

Answer 11

Wind; sand seas of desert, dunes built; STEADY energy

Question 12

shale

Answer 12

clay/mud mineral; soft and fine-grained

Question 13

sedimentary rocks

Answer 13

sediments that have been compacted and cemented to form solid rock bodies (lithified)