CAVERNS
Carlsbad Cavern
Collapse debris
Columns
Draperies
Dripstone
Flowstone
Helictites
Inner Space Cavern
Natural Bridge Cavern
Sink hole
Stalactites
Stalagmites
DEFORMATION
Anticline
Faulting
Folding
Syncline
Tilting
EROSION
Action of ice
Action of wind
Chemical erosion
Differential erosion
Exfoliation
Hoodoos
Mechanical erosion
Pothole with grindstones
Solution
Swift stream erosion
FOSSILS
Ammonite
Brachiopod
Clam
Crinoids (sea lily stems)
Dinosaur tracks
Echinoid (sea urchin)
Fusulinids
Gastropod
Mollusk
Oyster
Ramshorn snails
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GEOLOGIC STRUCTURE
Alluvial deposits
Bedding plane
Breccia
Conglomerate
Cross-bedding
Joints
Talus slope
GEOLOGIC TIME (examples from)
Cambrian period
Cretaceous period
Oligocene epoch
Ordovician period
Pennsylvanian period
Permian period
Precambrian era
Tertiary period
IGNEOUS (volcanics & intrusions)
Batholith
Dikes
Granite
Llanite
Pegmatite
Pyroclasts
Rhyolite
Tuff
Volcanic neck
Volcanic plug
METAMORPHIC ROCK
Gneiss
Schist
MINERALS IN ROCK
Calcite vein in limestone
Feldspar
Glauconite
Quartz
SEDIMENTARY ROCK
Limestone
Sandstone
Shale
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