EXPLORATION 1. Geological Mapping

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

Resumo de Recurso

	Criado por 13binch mais de 11 anos atrás