The rapakivi granites have a number of petrological peculiarities.
环斑具有若干
石学的特征。
The rapakivi granites have a number of petrological peculiarities.
环斑具有若干
石学的特征。
The legislature is housed in an impressive granite edifice.
立法机构位于一幢引人注目的大楼里。
Cretaceous granites form a northerly trending belt.
白垩纪的分布呈带状向北延伸。
In this paper, at first, the author discussed the geologic setting of uraniferous migmatite.
含铀混合大部分位于古陆隆起带边部、NW向
外接触带。
The granite overlies the older rocks.
躺在磨损的
石上面。
Alkalescent granites and gold-related silication and argillation are geological prerequisites for the formation of noticeable gold deposits.
摘要偏碱性及与金的成
活动有关的硅化、粘土化蚀变是黑刺沟金
田规模金
床存在的地质前提。
Abundant uranyl minerals (especially, uranyl silicates and uranyl phosphates) are found because of intensive weathering of uraninite.
而我国高放废物地质处建在
体中。
Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.
铍元素以羟硅铍石单物赋存于绢云母化高岭土化正长
中,其次呈分散状态分布于绢云母中。
Beside fractional crystallization model,liquid immiscibility of Fluorine-rich granite magma is an important mechanism to form pegmatite and pegmatite type deposit.
除了结晶分异模式外,富氟浆液态不混溶作用也是伟晶
成
成
的重要机制。
SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.
SOL 170 是一种特别渗透性配方的防水剂,有效于保护大理石、、天然石材等。防止水印及水渍呈现于石材表面,并可防止污渍渗入表面、冰霜侵入及防止风化。
The granite vein which width is about 0.5m filled in banded amphibole-gneiss along the tension crack. The milk-white vein strides over ghyll like a white dragon crossing river.
脉,走向45°,宽0.5米,沿张节理充填条带状角闪斜长片麻
中,乳白色
脉跨过溪流,犹如白龙过江。
The SHRIMP age data and geochemical results of the Palaeoarchaean dioritic gneiss and fine-grained trondhjemite of the ancient Dongshan rock belt from the Anshan area are reported in this paper.
本文报道了该区东山古老石带古太古代闪长质片麻
和细粒奥长
的SHRIMP测年结果和地球化学组成。
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