- pegmatite deposit
- 伟晶岩矿床
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
Uranlagerstätte — Uranlagerstätten sind natürliche Anreicherungen von Uran, aus denen sich das Element wirtschaftlich gewinnen lässt. Inhaltsverzeichnis 1 Grundlagen 1.1 Geochemie des Urans 1.2 Mineralogie 2 … Deutsch Wikipedia
Uranium ore deposits — are ore deposits which constitute economically recoverable concentrations of uranium within the Earth s crust. DistributionThe distribution of uranium ore deposits is widespread, with sizeable deposits and mines in Australia (40% of EDR [cite… … Wikipedia
Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… … Wikipedia
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
Brazilianite — Infobox mineral name = Brazilianite category = boxwidth = boxbgcolor = imagesize = caption = formula = sodiumaluminum3(phosphorus oxygen4)2(hydroxide)4 sodium aluminum phosphate hydroxide molweight = color = Yellow, green, colorless habit =… … Wikipedia
Uranium mining — The Ranger Uranium Mine in Australia … Wikipedia
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Bastnäsite — Infobox mineral name = Bastnäsite category = Carbonate mineral boxwidth = boxbgcolor = imagesize = caption = formula = (Ce,La,Y)CO3F molweight = color = Honey yellow, reddish brown habit = Tabular to equant striated crystals, also granular,… … Wikipedia