鈣長石類 的英文怎麼說
中文拼音 [gàizhǎngdànlèi]
鈣長石類
英文
ca spar-
Its chemi - cal composition mainly contain potassium, natrium, calci - um. 1. the potassic feldspar ; 2. the albite ; 3. the anorthite
長石是一類礦物的總稱,化學成分是鉀鈉鈣。The qiongzhong and danxian granites are belong to the kcg - type ( k - rich calc - alkaline ) granitoids according to the tectonic nomenclature by barbarin ( 1999 ). these foliated kcg - type granites with original orientated structure are the results generated in a changing geodynamic orogenic environment with alternating compressional to extensional stress field. this suggests that hainan island has been a part of south china since latest permian, and been major in extrusion environment of the tethys tectonic system
根據barbarin ( 1999 )分類,瓊中和儋縣巖基花崗巖屬于高k及含鉀長石斑晶的鈣堿性花崗巖,同時它們具有原生定向構造,是擠壓?鬆弛?擠壓的構造演化過程的產物,表明海南島從二疊紀末期開始已經是華南大陸的一部分,主要受到了特提斯構造域的影響。Taiping maifan mineral contacts with migmatitic granite and grandiosity, the mother rock is granite which include a lot of potassium elements and the major mineral of maifan stone is plagiocase, k - feldspar, minor mineral is biotite, muscovite, quartz and so on.,
麥飯石的主要礦物為斜長石、鉀長石,次生礦物為黑雲母、白雲母、石英等,巖石化學類型屬鈣堿系列,主要微量元素和稀土元素均與中華麥飯石相近。There were more abundant species of terrestrial mollusca community in the limestone areas where was abundant in calcium
石灰巖地區由於含有豐富的鈣質,陸生貝類具有更豐富的種類和數量,這是由於貝類的生長發育需要大量的鈣所致。分享友人