Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.
Beside fractional crystallization model,liquid immiscibility of Fluorine-rich granite magma is an important mechanism to form pegmatite and pegmatite type deposit.
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防水剂,有效于保护大理石、花岗、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.
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.