A petrographic microscope is a
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petrographic microscope — petrographic microscope, a microscope equipped with two Nicol prisms for polarizing light, used for studying and identifying rocks and minerals … Useful english dictionary
Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans … Wikipedia
Microscope slide — A set of standard 75 by 25 mm microscope slides. The white area can be written on to label the slide … Wikipedia
geology — /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… … Universalium
Petrography — 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… … Wikipedia
sedimentary 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… … Universalium
Conoscopic 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… … Wikipedia
Optical 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.… … Wikipedia
petrology — 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,… … Universalium
universal stage — noun : a small theodolite made in dimensions suitable for a petrographic microscope and used to obtain detailed optical and petrofabric data * * * a small theodolite mounted on the stage of a polarizing microscope and used in the petrographic… … Useful english dictionary
