Maps

Geologic Mapping

Geologic mapping is a scientific process that can produce a range of map products, etc
Strives to understand both composition and structure of geological materials at the Earth’s surface and depth
They use different colors on maps to identify certain observations
As technology evolves, there is more tools to help with mapping like the GIS
GIS can be used to spatially compare pollutant sources with nearby streams and geologic units that serve groundwater supplies

Geologists use many field methods to map
The most common one is a field notebook and they are used to record their observations, sketches, measurements, narratives, etc
Due to technology, they now have new methods like digital photographs
They help get the best most accurate sketches, measurements, etc

When geologists are recording their observations, they use descriptive terms and rock names that are both common and unique in that area
The terms are later then renamed / rewritten into formal map unit descriptors

The main goal is to not use a geologic map but a geologic database
Challenging because the software that manages these databases is not static but it will continue to evolve
But to even permit the exchange of databases, they must exchange a database design or a common interchange format
The design efforts are underway in north america and various parts in the world
Due to that, many geologists are evaluating how information is gathered and what the purpose is

GIS and graphic design software have changed techniques in which map information is published
Traditional film has its negatives as offset printing of paper maps is an effect
Plot on demand is useful for producing customized, single attributes
Digital cartography techniques are evolving and becoming capable of producing accurate map layouts and products
However, it will be continually challenging because of new developments

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