Geological Mapping. 2014 PRC Field Camp Introduction. Todays World, LIDAR……. Types of Geological Mapping. Regional Scale (typically government geoscientists) District Scale (typically government geoscientists) Property Scale (typically industry geoscientists)
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2014 PRC Field Camp Introduction
Depends on the scale of mapping project
A good field geologist will construct a NEAT and USEFUL field
notebook, the four main purposes are:
I commonly photograph my Map or outcrop sheet prior to taking digital pictures of an outcrop. Much easier to remember where the photos were taken from.
The small scale reveals the large scale
Trend & Plunge (lines)
Fold axisFrom my experience …..
It’s simply not possible to have to many structural measurements
Always use the
RIGHT HAND RULE
Using StereonetsNever Never Never Never Never be afraid!!!
A map is the author(s) interpretation of the factual data gathered in the course of field mapping.
The best maps are thus outcomes of sound interpretations of the facts by geologists.
Good geological maps present the factual data in such a way that future geologists may use this data to make new interpretations.
(typically based on new information and/or ideas).
Write out descriptions of all rocks & map units
ON THE OUTCROP
No description should be trusted to one’s memory
Color, grain-size, texture, name.
Additional detail in the subsequent sentences.