- petrog.
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petrography.
* * *
Universalium. 2010.
petrog.
Look at other dictionaries:
petrog. — petrography. * * * petrog., petrography. * * * abbr. petrography … Useful english dictionary
hornblende schist — Petrog. a variety of schist containing needles of hornblende that lie in parallel planes. [1815 25] * * * … Universalium
hornblende schist — Petrog. a variety of schist containing needles of hornblende that lie in parallel planes. [1815 25] * * * hornblende schist, a metamorphic rock consisting essentially of hornblende … Useful english dictionary
Arkose — Ar*kose , n. [F] (Petrog) A sandstone derived from the disintegration of granite or gneiss, and characterized by feldspar fragments. {Ar*kos ic}, a. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
Arkosic — Arkose Ar*kose , n. [F] (Petrog) A sandstone derived from the disintegration of granite or gneiss, and characterized by feldspar fragments. {Ar*kos ic}, a. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
accessory — accessorily, adv. accessoriness, n. /ak ses euh ree/, n., pl. accessories, adj. n. 1. a subordinate or supplementary part, object, or the like, used mainly for convenience, attractiveness, safety, etc., as a spotlight on an automobile or a lens… … Universalium
allotriomorphic — /euh lo tree euh mawr fik/, adj. Petrog. xenomorphic (def. 1). [1885 90; < Gk allótrio(s) belonging to another + MORPHIC] * * * … Universalium
amorphous — amorphously, adv. amorphousness, n. /euh mawr feuhs/, adj. 1. lacking definite form; having no specific shape; formless: the amorphous clouds. 2. of no particular kind or character; indeterminate; having no pattern or structure; unorganized: an… … Universalium
amphibolite — amphibolitic /am fib euh lit ik/, adj. /am fib euh luyt /, n. Petrog. a metamorphic rock composed mainly of amphibole and plagioclase. [1825 35; AMPHIBOLE + ITE1] * * * Igneous or metamorphic rock composed largely or dominantly of amphibole… … Universalium
anhedral — /an hee dreuhl/, adj. Petrog. xenomorphic (def. 1). [1895 1900; AN 1 + HEDRAL] * * * … Universalium
