Tulane Physical Geology Laboratory -INSTRUCTOR: E. GONZALEZ
Last Updated September 21, 2003
GLACIERS -OUTLINE
Laboratory
Manual in Physical Geology by The American Geological Institute (AGI) and the National
Association of Geoscience Teachers (NAGT); Richard M. Busch, Editor; 6th
Edition, 2003.
GLACIER
PARTS
ZONE OF ACCUMULATION
ZONE LINE
ZONE
OF ABLATION (WASTAGE)
TERMINUS
“WORK”
EROSION
TRANSPORTATION
DEPOSIT
TILL (poorly sorted)
STRATIFIED DRIFT
TYPES
Cirque, VALLEY,
and Piedmont (ALPINE) = MOUNTAIN
GLACIAL PROCESSES AND LANDFORMS
MOUNTAIN
CRACKS
CREVASSES
TRANSVERSE
OR LONGITUDINAL
EROSIONAL FEATURES (Figure 13.3, p. 216)
CIRQUE ARETE
COL HORN
HEADWALL GLACIAL
TROUGH (or Valley) HANGING VALLEY
STRIATIONS AND
GROOVES GLACIAL
POLISH
DEPOSITIONAL
FEATURES (Figure 13.4, p. 217)
MORAINES (GROUND,
RECESSIONAL, TERMINAL, MEDIAL and LATERAL
ERRATIC BOULDER
TRAIN
OUTWASH /OUTWASH
PLAIN VALLEY TRAIN
WATER BODIES (Figure
13.5, p. 218)
LAKES
TARN SCOURED PATERN NOSTER FINGER
STREAMS
MELTWATER MISFIT
MARSH
OR SWAMP
CONTINENTAL
GLACIATION
PLEISTOCENE
GLACIATION
EROSIONAL FEATURES (Figure 13.3, p. 216)
ROCHE MOUNTONEE STRIATIONS
AND GROOVES
GLACIAL POLISH KETTLE
(hole)
DEPOSITIONAL
FEATURES (Figure 13.4-, p. 217)
MORAINES (GROUND,
RECESSIONAL, and TERMINAL)
DRUMLING ERRATIC BOULDER TRAIN OUTWASH
/OUTWASH PLAIN KAME ESKER
BEACH LINE GLACIAL
LAKE DEPOSITS
LOESS
WATER BODIES (Figure
13.5, p. 218)
LAKES
SCOURED FINGER KETTLE MARGINAL
STREAMS
MELTWATER
OTHER
MARSH OR SWAMP SWALE