Petrology; the discussion of different kinds of rocks is known as petrology

Mineralogy; the study of minerals, its composition and properties is called mineralogy

Physical geology; it is concerned with the work of natural processes which bring about changes upon the earth's surface

Economic Geology; the prosperity of a nation depends to a large extent of rich reserves of economical minerals deposit

Mesoscale is the spatial scale beyond the atomic, molecular, and nanoscale.

Synoptic Scale; primarily concerned with viewing the weather at a common point. "view together" or "view at a common point"

Microscales; a scale of physical consideration or of bounds bounds having a characteristics dimensions typically ranging from 1 to 999 (under 1mm)

Global Scale; The geographical realm encompassing all of Earth

Chemical Oceanography; the study of the chemical components of the oceans, and their pathways to transformation

Biological Oceanography; the study of processes affecting the abundance, production, and variability of life in the oceans.

Physical Oceanography; the study of the physical properties and dynamic processes of the oceans

Geological Oceanography is the study of sediments and rocks within the marine environment