Point bar Floodplain

Beds

Graded

bedding

Alluvial fan

Delta

Shallow marine

Reef

Glacial

Fluvial

Beach

Desert

Tidal flat

Barrier island

http://www.fossilmall.com/Stonerelic/trace fossils/DD21/DD21.htm

SONAR

Submersibles

Mountain

erosion at

shoreline Rivers

Normal slope

Collapsed slope

Turbidity currents

Off

of

CA

coarse

medium

fine

Groin

Wave break (breaker)

Wave break=surf

Moon pulls on the oceans

and the Earth

Spring tide—sun and

moon work together

Neap tide—moon and sun

work against each other

Tidal range

extreme if flat

White

arrow=incoming

waves

Green

arrow=longshore

current

Northern

right

left Southern

Two widely held ideas

Aquifer

Aquitard

Traps

gas

oil

water

Artesian well

http://www.patrickveitch.com/Photos/Travel Photography/Overseas/New Zealand, 1993 (New!)/Other shots/Glacial Ice 2, Franz Josef Glacier.jpg

Last

150

years

40,000 years

100,000

years

20,000 years