- porphyritic texture
- геол. порфировая структура
Англо-русский универсальный дополнительный практический переводческий словарь И. Мостицкого. И. Мостицкий. 2002-2012.
porphyritic texture
Смотреть что такое "porphyritic texture" в других словарях:
porphyritic — /pawr feuh rit ik/, adj. Petrol. of, pertaining to, containing, or resembling porphyry, its texture, or its structure. [1375 1425; late ME porphiritike < ML porphyriticus < Gk porphyritikós of PORPHYRY; see IC] * * * … Universalium
porphyritic — [ˌpɔ:fɪ rɪtɪk] adjective Geology relating to or denoting a rock texture containing distinct crystals or crystalline particles embedded in a compact groundmass … English new terms dictionary
porphyritic — /pɔfəˈrɪtɪk/ (say pawfuh ritik) adjective 1. of, relating to, containing, or resembling porphyry. 2. denoting, relating to, or resembling the texture or structure characteristic of porphyry …
Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… … Wikipedia
Dacite — Aphanitic QAPF diagram denoting daci … Wikipedia
Igneous rock — Geologic provinces of the world (USGS) Shield … Wikipedia
Chondrule — Chondrules in the chondrite Grassland. A millimeter scale is shown. Chondrules (from Ancient Greek χόνδρος chondros, grain) are round grains found in chondrites. Chondrules form as molten or partially molten droplets in space before being… … Wikipedia
Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi … Wikipedia
Igneous textures — include the rock textures occurring in igneous rocks. Igneous textures are utilized by geologists in determining the mode of origin igneous rocks and are used in rock classification. There are six main types of textures; phaneritic, aphanitic,… … Wikipedia
Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… … Wikipedia
Porphyry (geology) — Porphyry is a variety of igneous rock consisting of large grained crystals, such as feldspar or quartz, dispersed in a fine grained feldspathic matrix or groundmass. The larger crystals are called phenocrysts. In its non geologic, traditional use … Wikipedia
