alkaline rocks 中文意思是什麼

alkaline rocks 解釋
堿性巖類
  • alkaline : adj. 堿的，含堿的，堿性的；強堿的。n. 堿性。
  • rocks : 財務窘迫
  1. Porphyry rocks in this belt are intermediate - acid rocks of calc - alkaline series

    該斑巖帶斑巖屬鈣?性系列、中酸性巖類。
  2. By studying, the main conclusions have been achieved as follows : i. the volcanic rocks, as the result of the partial melting of enriched mantle, comprise calc - alkaline andesite and dacite and a few tholeiite

    通過研究，得出以下主要認識： 1 、火山巖為一套以鈣堿性安山巖為主，含少量拉斑玄武巖和英安巖。
  3. On the basis of the study on the petrology, trace element, and isotopic geochemistry, the primary magma of volcanic rocks can be divided into two series according to their originated rocks and degree of partial melting. one is the basanite - alkaline basalt - olivine tholeiite magma series, which are generated by partial melting from spinel iherzolite ; the other is nephelinite magma - alkaline picritic basalt magma, which are generated by partial melting of the garnet iherzolite

    巖石化學、微量元素、同位素地球化學證據都表明，華北、華南地區的火山巖根據源巖和局部熔融程度的不同，可以分為兩個原生巖漿系列：一個是源巖為尖晶石二輝橄欖巖，隨著局部熔融程度的增加，形成的碧玄巖巖漿-堿性玄武巖巖漿-橄欖拉斑玄武巖巖漿；另一個是源巖為石榴石二輝橄欖巖，隨著局部熔融程度的增加形成的霞石巖巖漿-堿性苦橄玄武巖系列。
  4. Comparative studies of ree geochemical characteristics of various geologic bodies in the deposit indicate that the various ores and alkaline volcanic rocks contain abundant ree, specially lree the chondrite - normalized patterns of both ores and alkaline volcanic rocks show a strong lree enrichment and positive eu anomaly, in contrasting with the dolostones which show slight lree enrichment and moderately negative eu anomaly

    同期成礦流體從早期到晚期（塊狀礦石條帶狀礦石） ，輕重稀土分異變小，稀土總量增加，條帶狀礦石中稀土含量最高;礦石黃銅礦6345值變化在一0 . 3編到2 . 8 % 。范圍，顯示慢源硫特徵;菱鐵礦6 』 3c （ 8 % 。
  5. 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。
  6. 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。
  7. 2. 38. 6ma and 36. 7ma isotopic ages of quartz - monzonite - porphyry in lianhuashan and alkaline porphyry in zhuopan have respectively been obtained. those results are consistent with the ages of the porphyries in both lanping - shimao basin and changdu basin related igneous rocks, representing the first episode ( lanping movement ) of tectonics - magmatism - metallogenic event during the himalayan movement

    獲得了蓮花山石英二長斑巖及卓潘堿性斑巖的ar - ar年齡，分別為38 . 6ma與36 . 7ma ，與整個蘭坪?思茅盆地與昌都盆地及兩側的斑巖與相關火山巖一致，代表喜馬拉雅運動第一幕（蘭坪運動）的重要構造?巖漿?成礦事件。
  8. The volcanic rocks belong to the cal - alkaline series and petrochemistry and geochemistry show characteristics of island arc volcanic rocks

    酸性熔巖及同質凝灰巖，屬鈣堿性系列，且高鉀富鋁。
  9. Geochronological, geochemical and sr - nd isotopic data are reported for the alkaline igneous rocks ( syenites and zhaibei aluminous a - type granite ) and chebu gabbro in southern jiangxi province. shrimp zircon u - pb dating results indicate that the quannan syenite, zhaibei a - type granite and chebu gabbro formed during the early yanshanian period

    對贛南燕山早期的富堿火成巖（正長巖和寨背鋁質a型花崗巖）和車步輝長巖進行了詳細的年代學、元素和sr - nd地球化學研究。
  10. 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。
  11. 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。
  12. There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous

    摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段： 1 ）早中侏羅世張性「似裂谷環境」下所形成的中基性堿性火山巖、同熔性花崗巖及深源流體活動形成的稀土礦床和斑巖性銅鋁礦床； 2 ）晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床； 3 ）早白堊世張性環境下所形成的基性堿性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。
  13. 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。
  14. The altitude variation of the distribution of the different malus species in china reaches nearly 4000 meters, and they grow on various types of soil, even on desert, alkaline soil and on overhanging rocks and steep cliffs

    在我國，蘋果屬植物不同種類分佈的生境差異極大，生長的海拔范圍差異近4000米，能生長在各種不同類型的土壤上，甚至沙漠、鹽堿地到懸崖峭壁上都能生長。
  15. Calc alkaline rocks

    鈣咸巖類
  16. Petrochemical analysis of these rocks indicates that they are of metaluminous calc - alkaline feature a cnk

    巖石地球化學分析表明這些巖石具有亞鋁鈣堿性特徵a cnk
  17. Rb - sr age and geological implication of the alxa alkaline - rich intrusive rocks, western inner mongolia

    阿拉善斷塊富堿侵入巖rb - sr年及其地質意義
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