alkaline rock 中文意思是什麼

alkaline rock 解釋
堿性巖
  • alkaline : adj. 堿的，含堿的，堿性的；強堿的。n. 堿性。
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. The rock assemblages of the bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite

    火山巖巖石組合以堿性玄武巖粗安巖堿性流紋巖為主。
  2. 2 both the hanging wall and the footwail rock of ore bodies are garnet biotite schist, protoliths are alkaline volcanic rocks ( tracyh andesite ). according to characteristics of trace elements assemblages and the setting of tectonics, these alkaline volcanic rocks were derived from the lower degree melting of metasomatic and enriched mantle ( eml ) in the initial stage of middle proterozoic epoch. they strongly enriched in large ion lithophile elements ( lile ), such as ba

    2 、礦體頂、底板圍巖（石榴石黑雲母片巖、鈉長黑雲母片巖等）的原巖為堿性火山巖（粗面安山巖） ，相對富集大離子親石元素ba 、 cs 、 rb 、 k 、 lree及貧zr 、 sr 、 ti 、 hf 、 hree ，為早元古代末期-中元古代早期交代富集地幔低程度部分熔融所形成的堿性火山巖。
  3. Rb - sr whole rock - minerals ages determination indicates that the isochronal ages are 25018 ma and 213. 09. 8 ma for suhaitu and wenduerhao intrusion, respectively. the dated isotopic ages demonstrate that the alxa alkaline - rich intrusive rocks belong to indosinian alkaline magma activity. the similarities and differences of the alkaline - rich intrusive rocks distributed in the alxa fault block and those distributed along the northern margin of the north china block and the tarim block are compared and discussed

    採用rb - sr法對阿拉善斷塊有代表性的蘇亥圖溫都爾浩富堿侵入巖體的年進行了測定，分別獲得25018 ma和213 . 09 . 8 ma的年值，提供了屬于印支期的年代學證據，認為阿拉善斷塊北緣富堿侵入巖和華北斷塊北緣燕遼陰山印支期富堿性侵入巖帶應該劃歸同一印支期富堿性侵入巖帶。
  4. The formation of a petrofabric is mainly composed of volcanics interlated with minor detrital rock, that of b petrofabric mainly detrital rock inter lated with minor volcanics, and that of c petrofabric mainly carbonate rock. the evidences in geochemistry character demonstrate that metamorphic volcanic rock of the a petrofabric belong to calc - alkaline volcanic rock

    在代表性巖石原巖研究的基礎上確立了各巖組的原巖建造類型，它們分別是： a巖組主要為一套火山巖夾碎屑巖沉積建造； b巖組主要為一套碎屑巖夾火山巖建造； c巖組主要為一套碳酸巖建造。
  5. They all belong to the calc - alkaline island arc series and are closely related to the evolution of the arc - basin systems of the gangdise tectonic belt. based on studies of petrology, litho - geochemistry, tectonic setting, petrogenesis and magmatic evolution, the present dissertation summarized the general evolutionary regularity of the magmatic rocks in time and space. the magmatic rock assemblages are divided into the inter - arc spreading basin t

    在對研究區主要礦產分佈特徵、成因類型系統分析的基礎上，總結了措勤地區構造巖漿演化與成礦的關系，並將研究區成礦系統劃分為匯聚大陸邊緣成礦巨系統、碰撞造山成礦巨系統和陸內匯聚成礦巨系統。
  6. The wall rock of ore - bodies is the siliceous dolostone and alkaline volcanic rock ( trachy andesite ) in the yinachang deposit. based on the shape of ore - bodies and the structure and texture of ores, the deposit was identificed as synsedimentary with wall rocks. there occurred ree minerals, such as bastnaesite, monazite and allanite, associated with apatite and fluorite with ree contents to a certain extent

    礦體產出形態和礦石的結構構造等均顯示礦體與賦礦地層同沉積特徵；出現獨立礦物氟碳鈰礦、獨居石及褐簾石，磷灰石、螢石、菱鐵礦等礦物中也含有一定量的稀土，沿礦體走向和垂向稀土元素變化不大。
  7. The research include : 1 ) measuring co2 concentration in the soil air and vegetation air by using co2 measuring instruments ; 2 ) measuring the releasing rate of co2 coming from soil surface by using alkaline absorbing method ; 3 ) measuring the hydrochemical indexes of soil water. the research results are as follows : ( 1 ) the author has made field observation of depth distribution of soil air co2 in the mt. jinfo karst experiment site. the results show that two concentration gradient, soil to atmosphere and soil to carbonate rock, are form

    本次實驗以典型的亞熱帶巖溶分佈區?金佛山自然保護區為例，選擇了巖溶窪地內的高山草甸和靠窪地邊緣地帶的方竹林、裸地以及石林內的喬木林4個樣地，對土壤co _ 2濃度空間分佈規律以及晝夜動態和日動態變化狀況進行了觀測，獲得了如下新的認識： （ 1 ）土壤中co _ 2濃度分佈的觀測結果表明，土壤中具有土壤-大氣、土壤-碳酸鹽巖兩個方向的co _ 2濃度梯度。
  8. At last the rhythm of yanshanian volcanic rocks is classified into three series such as alkaline basalt, hkca, calc - alkaline shoshonite. 4. based on the study of rock series, assemblage of igneous rock, characteristic of geochemistry, trace effect of isotope, the yanshanian volcanic rocks of yanshan - liaoning area are mainly calc - alkaline series, which should belong to the products of near continental margin of intracontinental tectonic setting

    3 、在火山活動節律的劃分、區域對比的基礎上，研究了各級節律火山巖的巖石學、礦物學、地球化學和同位素地質學特徵，將研究區燕山期火山巖劃分為堿性玄武巖系列、高鉀鈣堿性系列和鉀玄巖系列。
  9. Of them, the study on the deep - source metallogeny, water - rock intereaction of special alkaline fluid and precipitation environment has made a fundation for the establishment of prospecting model of large uranium ore - concentration arcas

    本文按照「源、運、積」 3個環節，探討鈾礦大型礦集區的成礦作用，其中有關深源成礦、特殊堿質流體的水巖反應以及元素淀積環境的研究，為建立鈾礦大型礦集區的找礦模式奠定基礎。
  10. The host rock shows black and compact structure, characterized by alkaline - rich w k

    玄武巖為黑色緻密塊狀，以富堿w k
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