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206884
EXPLORATION 1. Geological Mapping
Description
Science Mind Map on EXPLORATION 1. Geological Mapping, created by 13binch on 13/09/2013.
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Mind Map by
13binch
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Created by
13binch
over 11 years ago
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Resource summary
EXPLORATION 1. Geological Mapping
WHY?
IDg & recording characteristics & distrib of rock units @/near surface
Surface distrib
orientation
inter-relationship
determines availability of mineral
TYPES
outcrop/bedrock map
estd in field
Shows actual perimeters of bedrock @ surface
Interpretive map
interps geol based on evidence = X directly observed
Guess of underground
REFERENCING SYSTEM
Lat-Long
tranverse globe
UTM
"universal tranverse mercator"
Rect grid -> UTM zones
Metes & Bounds
Ref to specific lines & meridian lines
Shows structural fts & minimal deposits & fossil location
SCALES
Fractional
Graphic
NECESSARY INFO TO DEVP MAP
Structural fts
Mineral deposits
Fossil localities
INDIRECT EVIDENCE
Aerial photography
Distant observations
Geophys data
Geochem data
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