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- Late Triassic intrusive rocks 晚三叠世侵入岩
- County in intrusive rock is acidic magmatic rocks. 县境内的侵入岩主要是酸性岩浆岩。
- Petrologically, the ultramafic-mafic rocks within the Lhari fault are redefined as the ophiolites dated back to the Late Triassic in age. 岩石方面,确定了发育于嘉黎断裂带中的超镁铁质-镁铁质岩为嘉黎缝合带内的蛇绿岩,形成于晚三叠世;
- The chondrite normalized REE distribution patterns show no Eu anomalies in the late Archaean intrusive rocks but show negative Eu anomalies in the early Proterozoic ones. 鲁西晚太古代的侵入岩属无铕异常型,早元古代的侵入岩为负铕异常型;
- A variety of geological environments are extrusive or intrusive rocks. 不同的地质环境形成喷出岩或侵入岩。
- Nephrite deposits in Qinghai Province have occurred in contact belt between intermediate-acidic intrusive rocks and dolomite-marble. 摘要青海软玉矿床产于中酸性侵入岩与大理岩接触带中。
- Late Triassic Anyuan coal measures,is one of main coal-bearing strata in Jiangxi Province. 江西省晚三叠世安源煤系,为江西省主要含煤地层之一,其煤种为烟煤,煤质好且为较好的动力用煤。
- Nappes are products formed in the compressional State by Indo-China movement in late Triassic Period. 推覆体是挤压环境下的产物,它形成于晚三叠世末期的印支运动。
- The Mesozoic and Cenozoic plutonic intrusive rocks are grouped into the Lhagoi Kangri and Gangdise granite zones. 将中新生代深成侵入岩划分为拉轨岗日花岗岩带和冈底斯花岗岩带两个岩浆带;
- Spatial distribution of mineralization shows that gold metallogenesis began before Late Triassic. 矿体的空间分布与穿插关系表明,金成矿作用开始于晚三叠世以前。
- Calcite deposits mainly occur in the carbonatite area and the meta morphosed contact zone around the intrusive rocks. 方解石矿床一般产于碳酸盐岩地区和侵入岩变质接触带,受断裂风化淋滤容矿,热液接触变质作用,由碳酸盐岩褪色重结晶而形成。
- Late Triassic, gymnosperms, the mainland has become the real rulers of the main plant. 晚三叠世时,裸子植物真正成了大陆植物的主要统治者。
- The orebodies occur within or near the exocontact of intrusive rocks and above the hidden igneous rocks. 金矿产于岩体外接触带及其附近和隐伏岩体上方。
- Acidic granite intrusive rocks are not developed suggesting the tectonic magmatic belt was not well developed. 酸性花岗岩类侵入岩极不发育,构造岩浆带不发育。
- Abstract: The Gacun deposit is a typical massive sulfide deposit associated with Late Triassic seafloor calc-alkaline felsic volcanics (VHMS). 摘 要: 呷村矿床是一个与晚三叠世海相钙碱性酸性火山岩系有关的典型块状硫化物(VHMS)矿床。
- These rocks are called intrusive rocks and are cooled very slowly because they were insulated by the rocks surrounded them. 这样形成的火成岩叫做侵入岩。因为侵入岩被其周围的岩石所隔离,它的冷却是非常缓慢的,
- Late Triassic Anyuan coal measures,is one of main coal-bearing strata in Jiangxi Province.The high quality bituminous coal is good for power-station. 江西省晚三叠世安源煤系,为江西省主要含煤地层之一,其煤种为烟煤,煤质好且为较好的动力用煤。
- As a Mesozoic and Cenozoic superposed basin on a cratonic basement,East China Sea shelf basin has three periods of tectonic evolution:Late Triassic(? 东海陆架盆地为发育于克拉通基底之上的中、新生代叠合盆地,该盆地经历了晚三叠世(?
- The ore bodies are strictly controlled by SN and NNW trend fault and the wall rocks and the intrusive rocks are involved in the mineralization. 金矿体严格受SN和NNW向断裂控制,围岩和侵入岩参与了成矿作用。
- Abstract The first discovered Late Triassic strata was introduced in terms of its petrological and biostratigraphic characters in the paper. 本文从岩石、生物地层角度介绍塔西南地区首次发现的晚三叠世地层。
