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→Geological mapping
==Geological mapping==
==Geological mapping==
To make a good geological map, a geologist must have skill in geological mapping and know about how to read geological map. Basic steps of geological mapping consist of observation and measurement in the field, taking samples, and analyzing samples in a laboratory. Geological mapping is a multidisciplinary method that combines petrology, structural geology, geomorphology, paleontology, [[stratigraphy]], sedimentology, etc. Geological mapping consists of two kind based on selection trajectory:
To make a good geological map, a geologist must have skill in geological mapping and know about how to read geological map. Basic steps of geological mapping consist of observation and measurement in the field, taking samples, and analyzing samples in a laboratory. Geological mapping is a multidisciplinary method that combines petrology, structural geology, geomorphology, paleontology, [[stratigraphy]], sedimentology, etc. Geological mapping consists of two kind based on selection trajectory:
* Systematic mapping is done by mapping technically only, without considering geomorphology, distribution of geomorphology, or geological structure pattern. While smart mapping is done by considering the results of
* Systematic mapping is done by mapping technically only, without considering geomorphology, distribution of geomorphology, or geological structure pattern. While smart mapping is done by considering the results of satellite image or topographical maps analysis, so it would be more efficient in geological mapping according to the desired scale. In this paper we are more focus on the method of smart mapping because this method is most often used by geologists.
satellite image or topographical maps analysis, so it would be more efficient in geological mapping according to the desired scale. In this paper we are more focus on the method of smart mapping because this method is most often used by geologists.
* Smart mapping is used for several reasons, such as that the mapping area is too large, mapping time is too short, or lithological variations are relatively homogeneous. While systematic mapping is used when variations of lithology are very complex so observation of some point isn’t enough to represent all lithologies and structures in the mapped area and the availability of sufficient time. Therefore it is very important to know the purpose of geological mapping before doing the mapping to desired area.
* Smart mapping is used for several reasons, such as that the mapping area is too large, mapping time is too short, or lithological variations are relatively homogeneous. While systematic mapping is used when variations of lithology are very complex so observation of some point isn’t enough to represent all lithologies and structures in the mapped area and the availability of sufficient time. Therefore it is very important to know the purpose of geological mapping before doing the mapping to desired area.