petrographic microscope
1petrographic microscope — petrographic microscope, a microscope equipped with two Nicol prisms for polarizing light, used for studying and identifying rocks and minerals …
2Petrographic microscope — A petrographic microscope is a microscope used in petrology and optical mineralogy to identify rocks and minerals in thin sections. The microscope is used in optical mineralogy and petrography, a branch of petrology which focuses on detailed… …
3Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
4Microscope slide — A set of standard 75 by 25 mm microscope slides. The white area can be written on to label the slide …
5geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
6Petrography — is that branch of petrology which focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are described in detail. Petrographic… …
7sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
8Conoscopic interference pattern — This page is about the geology/optical mineralogy term. For general information about interference, see Interference (wave propagation) or Interference patterns. A conoscopic interference pattern or interference figure is the best way to… …
9Optical mineralogy — A petrographic microscope, which is an optical microscope fitted with cross polarizing lenses, a conoscopic lens, and compensators (plates of anisotropic materials; gypsum plates and quartz wedges are common), for crystallographic analysis.… …
10petrology — petrologic /pe treuh loj ik/, petrological, adj. petrologically, adv. petrologist, n. /pi trol euh jee/, n. the scientific study of rocks, including petrography and petrogenesis. [1805 15; PETRO 1 + LOGY] * * * Scientific study of rocks,… …
