| ::::
sedimentary &
metamorphic
rocks
|
| Your study center
for Geology 210. Click on each picture for the High-Resolution
version. Scroll down
for more info and links. If you see a mistake or have
a question send me an email from the menu to the left. |
Click for: Sedimentary
Flash Cards
| Common
Sedimentary Rocks |
|
Classification |
Sedimentary
Rock |
Composition |
Depositional
Environment |
| Clastic
(Detrital) |
Shale |
Clay
and/or silt |
Swamp,
floodplain, river bottom |
| Sandstone |
Sand |
Beach,
desert |
| Conglomerate |
Various-sized
pebbles |
Riverbed |
Non-Clastic
(Chemical) |
Limestone |
Calcite
or fragmented shells |
Shallow
sea, coastline |
| Chert
(flint) |
Chalcedony
(quartz), traces of other minerals |
Formed
from a silica-rich precipiate in a deep ocean environment. |
| Bituminous
Coal |
Plant
material |
Ancient
forest or swamp |
|
Useful
Links:
Weathering & Sedimentary Rocks
GPC
College
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|
