facies

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、沼泽泥岩为油气成藏提供了良好的盖层条件；

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→低绿片岩→角闪岩的递增变质特征；

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→低绿片岩→角闪岩的递增变质特征 ;

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.

前三个阶段反映了辉岩变质的主要过程。后一阶段，反映了辉岩在地壳浅部层次绿片岩环境下遭受轻微的叠加改。

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和非致密混合型胶结组成;

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岩，变质度分别为葡萄石-绿纤石和葡萄石-阳起石。

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沉积,其中河流、沼泽及湖泊有规律地交替出现。

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、坨状三角洲砂体微，形成时波浪强，水下分流河道连续性较差，呈坨状分布。

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沉积，进一步可细分为河床亚、河漫滩亚和漫滩沼泽亚。

, 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：该区火山岩划分为火山熔岩和火山碎屑岩两大类，其中石泡流纹岩、球粒流纹岩及熔结凝灰岩为有利储层。

The northern belt is made up of the lower continental mictite-clay rock combination of shallow-marine facies;

二、古元古宙南带和北带的组成 介于南北两个太古宙克拉通基底之间的古元古宙褶皱带，具有典型的不对称格局，从组成上具有显著的差异分带性，即在北带发育了从底部浅海—滨海陆缘碎屑—粘土岩建依次过渡为属于中酸性火山—沉积建的海底中酸性喷发岩和含火山碎屑物质—碳酸盐沉积岩、浅海的含碳酸盐岩富碳陆缘粘土沉积建、大陆架环境下中的碳酸盐岩—粘土岩建、浅海的陆缘粘土岩—碎屑岩建。

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～辫状河流的磨拉石红色复陆屑沉积旋回及多物源供应格局。

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。

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.

溶解受沉积和构的控制，其对储层的改程度与沉积带及距不整合面的距离密切关。

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.

苏南地区场地土主要为漫滩、湖沼或冲湖新近沉积软弱土,结构松散,沉积零乱,成分复杂,饱水可液化粉细砂层及粉土层较为发育,在地震或动力荷载的下有可能发生软土震陷或砂土液化。

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.

原岩形成于具有基性火山的活动大陆边缘滨海-浅海环境。经过太古宙的区域高角闪岩变质，形成孔兹岩系。

The sedimentary facies in Heshilafu is an alluvial fan - fan delta -lake systetn, and it can be further devided into several parfacies including microfacies.

和什拉甫地区沉积类型为冲积扇──扇三角洲──湖泊沉积体系，进一步分为几种亚类型和微类型。