1.Lacustrine source rocks provided resource for the oil and gas generation, and flood plain facies and paludal facies mudstone supplied cap rock for the reservoir accumulation.
泛滥平原相、沼泽相泥为油气成藏提供了良好的盖层条件;
2.In the ocean basin spreading stage of Middle Silurian, it formed a increase metamorphic charateristics with lotrite facies→low green schist facies→hornblende facies.
中志留世末洋盆扩张阶段,形成葡萄石、绿纤石相→低绿片相→角闪相的递增变质特征;
3.7.In the ocean basin spreading stage of Middle Silurian,it formed a increase metamorphic charateristics with lotrite facies→low green schist facies→hornblende facies.
中志留世末洋盆扩张阶段 ,形成葡萄石、绿纤石相→低绿片相→角闪相的递增变质特征 ;
4.The former three stages reflect the major process of eclogite facies metamorphism and the latest stages the light overprinting of greenschist facies retrometamorphism at the shallow level of crust.
前三个阶段反映了相变质作用的主要过程。后一阶段,反映了在地壳浅部层次绿片相环境下遭的叠加改造。
5.The thin sand bed is composed of tight mixed type cementation facies and untight mixed type cementation facies.
其中,薄砂层由致密混合型胶结相和非致密混合型胶结相组成;
6.The metamorphic grades of Minleh and Changma areas are prehnite-pumpellyite and prehnite-actinolite facies, respectively.
民乐与昌马地区变质火山,变质度分别为葡萄石-绿纤石相和葡萄石-阳起石相。
7.Shanxi Formation is a set of paralic continental deposit,of which,fluvial,swamp and lacustrine facies alternatively presented regularly.
山西组为一套近海型的陆相沉积,其中河流相、沼泽相及湖泊相有规律地交替出现。
8.Cuspate deltaic sands micro-facies, which formed at the time of powerful wave action, the continuity of marine distributary channel is bad, and distributes in cuspate shape. 3.
3、坨状三角洲砂体相,形成时波浪作用很强,水下分流河道连续性较差,呈坨状分布。
9.The author suggests that the Zhiluo Formation belongs to the typical fluvial sedimentary facies, which cab be further refined to the channel, flood-plain and backswamp microfacies.
研究认为,直罗组属典型的河流相沉积,进一步可细分为河床亚相、河漫滩亚相和漫滩沼泽亚相。
10., volcanic lava and pyroclastic rocks, of which the lithophysa rhyolite, pellets rhyolite and ignimbrite are favorable reservoirs.Lithofacies can be divided into 5 facies and 16 subfacies.
研究表明:该区火山划分为火山熔和火山碎屑两大类,其中石泡流纹、球粒流纹及熔结凝灰为有利储层。
11.The northern belt is made up of the lower continental mictite-clay rock combination of shallow-marine facies;
12.After rapid overall swelling , in the late stage occurred alluvial fan-braided river facies sedimentary cycles made of red polyterrigenous molasse deposit s with multi-source supplying.
晚期全区讯速台升,形成冲积扇~辫状河流相的磨拉石红色复陆屑沉积旋回及多物源供应格局。
13.To date, komatiites with spinifex textures have not been found in the supracrustal rocks, but rock sequences similar to greenstones metamorphosed up to upper amphibolite facies are often observed.
在龙岗地块与北带之间的接触带上,发育了一条晚太古宙-古元古宙时期的线性活动带。
14.Dissolution is controlled by both sedimentation and tectonization, and the converted degree on reservoirs is closely related to sedimentary facies and the distance from unconformity interfaces.
溶解作用沉积和构造作用的控制,其对储层的改造程度与沉积相带及距不整合面的距离密切相关。
15.Site soils in southern area of Jiangsu province belong to washland sediment or limnetic facies sediment.The components of sediment are very complex and process of sedimentation is in disorder.
16.Its original rock is sedimented in the environment of active epicontinent-seaboard with basic volcanism, and become khondalite series through the Archean regional high-amphibolite facies metamorphism.
17.The sedimentary facies in Heshilafu is an alluvial fan - fan delta -lake systetn, and it can be further devided into several parfacies including microfacies.