Petrography is the branch of petrology, the study of rocks, which deals with the description and systematic classification of rocks. Aside from their geologic relations, this is primarily conducted by chemical and microscopical laboratory methods. In contrast, the lithology of a rock is a description of its physical characteristics visible in plain sight or with low magnification microscopy.
A petrographic analysis is a microscopic examination of the chemical and physical features of a particular sample of rock, which typically includes macroscopic to microscopic investigations.
Our experts in petrography have experience in geological petrography and geochemistry and for some this includes training as geological oceanographers and forensic geoarchaeologists. They have worked on projects involving the hydration of natural and man-made glass, provenance of ceramics and chert lithic artifacts (such as fossils), geochemical and physical sediments, geographic patterns, geochemical tools, ocean mining, and gemstone mining.
These experts lend their expertise to consulting services such as authigenic mineralization reactions, metallic enrichment deposits, and hydration reactions of materials such as volcanic glass. They have held positions such as chief scientist, chief geologist, and professor in such subjects as oceanography, marine sedimentation, geology, mineralogy, optical petrography, and ceramics.
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