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