- cryptocrystalline texture
- 隐晶质结构
English-Chinese geology dictionary (英汉地质大词典). 2013.
cryptocrystalline texture
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Cryptocrystalline — is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin section by transmitted polarized light. Among the sedimentary rocks, chert and flint are cryptocrystalline.… … Wikipedia
microfelsitic — /mī krə fel sitˈik/ adjective Of the cryptocrystalline texture of a quartz felsite groundmass ORIGIN: ↑micro (1a) … Useful english dictionary
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Chert — For the Spanish municipality, see Xert. Chert Chert ( / … Wikipedia
Turquoise — For other uses, see Turquoise (disambiguation). Turquoise Turquoise (tumble finished) one inch (25 mm) long. This pebble is greenish and therefore low grade General … Wikipedia
Dacite — Aphanitic QAPF diagram denoting daci … Wikipedia
Onyx — A slice of sardonyx (width = 2.5 cm) General Category Oxid … 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
Quartzite — Swan Peak Quartzite (Ordovician) ex … Wikipedia
Quartz — Quartz, n. [G. quarz.] (Min.) A form of silica, or silicon dioxide ({SiO2}), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in… … The Collaborative International Dictionary of English
SiO2 — Quartz Quartz, n. [G. quarz.] (Min.) A form of silica, or silicon dioxide ({SiO2}), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in… … The Collaborative International Dictionary of English
