sed rocks and weathering

Frost wedging

The result of chemical weathering

Grain sizes order

From smallest to largest: clay, silt, sand, gravel

Which of the following minerals is most resistant

Quartz

Evaporites are more prone to what type of weathering

dissolution

Secondary mineral from chemical weathering

Clay

what factor increases chemical weathering

High temperatures and high humidity

Grain sizes transported by saltation

Coarse sand

Degree of similarity in grain sizes

Sorting

sediment deposit is considered more mature when it is?

Well sorted

a sediment with similar grain size is considered well sorted

true

Sand deposits are exclusive in aeolian (sand dunes) environments and not present in any other sedimentary environment

False

Alluvial fans are found in

Found in desert environments

Sedimentary structure in wet and dry conditions

Mud Cracks

Marks left by organisms on sediments

Trace Fossils

What of the following rocks is NOT a detrital or clastic rock

Chert

Rock composed mainly of dolomite

Dolostone

Lithification process order

Deposition, Compaction, Cementation

Clastic Sedimentary rocks classification criteria

Grain Size

Difference between conglomerate and breccia

Conglomerate grains are rounded and breccia are more angular

Study conditions of sedimentation at

Surface