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The Career of a Geologist!, Rock pick By: James St. John ), I believe that…

- - - - Geologists then use what they have discovered for many things. For example, they could tasked with determining whether or not a certain area is suitable for housing or they could be tasked with making predictions on their knowledge about the vulnerabilities that could lead to a geological event. They can often times be the reason why some areas are devoid of any buildings; because they found a vulnerability that could have affected them catastrophically.
- - - - HCL stands for hydrochloric acid and it is used for the "acid test" on many types of rocks to search for carbonate minerals
      - Knives are also used in relation to Mohs scale of mineral hardness (most of the time). This scale is used in order to tell the hardness of various minerals. Typically, it is rated from one to ten and each knife is coated in some sort of mineral which acts as the basepoint for a hardness degree. For example, diamond coated knives have a hardness of 10 and are reserved for the hardest of minerals
      - Other items that a geologist might use include clipboards, pencil magnets, Field vests, etc..
      - Geologists also use a special ground based radar. The radar is capable of getting a clearer view of what is in the ground.