Sedimentary Rocks, Structures & Depositional Environments

Which of the following environments has the lowest energy and finest sediments?

• braided streams

• alluvial fans

• glaciers

• lakes

What type of sediment would you expect to find in a high energy environment?

• poorly sorted & angular

• well sorted sand

• fine mud and clay

• limestone

Which environment would produce a till?

• glacial moraine

• braided stream

• tidal flat

• delta

Large scale cross-bedding in well sorted sandstone is most associate with which environment?

• fluvial

• aeolian

• lacustrine

• playa

The presence of gypsum indicates what type of environment(s)? (choose all that apply)

• glacial

• playa

• tidal flat / lagoon

• stream

Tags

NGSS.MS-ESS2-2

Limestone with corals indicates what environment?

• carbonate reef

• delta

• submarine fan

• stream floodplain

Tags

NGSS.MS-ESS2-3

Trace fossils of land animal footprints are most likely to be found in what environment?

• river floodplain

• lake

• alluvial fan

• glacial moraine

Tags

NGSS.MS-LS4-1

The most likely depositional environment for mudstone or shale is:

• a river floodplain

• beach dunes

• a braided mountain stream

• an alluvial fan

The most likely depositional environment for a well sorted sandstone is:

• a river floodplain

• beach dunes

• a lake or playa

• an alluvial fan

What depositional environment are conglomerates likely to be found in?

• alluvial fans

• beach

• meandering river

• desert sand dunes