Because the type of igneous rock is more,it is very difficult to name and identify,we apply Bayesian discrimination to research lithologic identification in the logging interpretation of volcaniclastic rock.
针对火成岩岩石类型多、测井识别难度大问题,应用贝叶斯判别分析方法对火山碎屑岩测井解释中岩性识别问题进行研究。
The Nibao gold deposit in Guizhou consists of multistory gold ore bodies,each of which is closely associated with the Permian volcaniclastic rocks.
泥堡金矿具多层含矿特征,各层金矿体均与二叠系火山碎屑岩密切相关。
meanwhile,the volcaniclastic rocks were modificated by the thermal fluid activity,for example,sericitization of plagioclase,chloritization of volc.
同时,受热流体活动的影响,热流体对火山碎屑岩具有一定改造作用,如在安山质岩屑凝灰岩中,斜长石绢云母化、火山岩岩屑绿泥石化明显;在凝灰质泥岩中,热流体对围岩中有机碳具有明显的"催熟"加热作用,微量元素则出现异常现象。
The Logging Research for Pyroclastic Rock Identification;
火山碎屑岩岩性的测井识别方法研究
Diagenetic Characteristics of Clay Minerals in Volcaniclastic Rock;
火山碎屑岩中粘土矿物的成岩作用特征
Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.
火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石，岩类复杂。
Research on the Method of Automatic Segmentation of Well Logs of Pyroclastic Rock
火山碎屑岩层测井曲线自动分层方法研究
The Diagenesis of Pyroclastic Rock in Nanbeier Depression of Tamuchage Basin
塔木察格盆地南贝尔凹陷火山碎屑岩储层成岩作用
PETROLOGICAL CHARACTERISTICS OF THE SEDIMENTARY VOLCANICLASTIC ROCKS OF THE FOSSIL HILL FORMATION(EOCENE) IN KING GEORGE ISLAND,WEST ANTARCTICA
南极乔治王岛始新统化石山组沉积火山碎屑岩特征
R.Schmidt﹐Descriptive Nomenclature &Classification of Pyroclastic Deposits &Fragments﹐Recomendation of IUGS Subcommision on the Systematics of Igneous Rocks﹐Geology﹐Vol.9﹐5﹐1981.
孙善平﹕国内外火山碎屑岩的分类、命名、历史及现状﹐《地球科学》﹐卷12﹐6﹐1987。
THE CHARACTERISTICS AND GENETIC SIGNIFICANCES OF PROBABILITY ACCUMULATION CURVES OF DEVONIAN MARINE VOLCANOCLASTIC ROCKS IN EAST ZHUNGEER
东准噶尔泥盆系海相火山碎屑岩概率累积曲线特征及其成因意义
Characteristics of Volcaniclasitic Rocks Developed in Member 2,Yingcheng Formation,Lower Cretaceous,in the Eastern Margin of Songliao Basin
松辽盆地东缘下白垩统营城组二段火山碎屑岩的发育特征
Diagenesis and It's Comparative Study of Pyroclastic Rock, Dowsonite-Bearing Sandstone and Common Sandstone in Hailaer Basin;
海拉尔盆地火山碎屑岩、含片钠铝石砂岩与普通砂岩的成岩作用及其比较研究
The Diagenesis of Pyroclastic Rock and the Effect of the Injection of CO_2 on Reservoir in Tanan Depression of Tamuchage Basin;
塔木察格盆地塔南凹陷火山碎屑岩成岩作用及CO_2注入对储层的影响
Characteristics and genesis of sodium amphiboles in alkaline basaltic pyroclastic debris of Heilongjiang accretionary complexes in Yilan area
依兰地区黑龙江增生杂岩碱性玄武质火山碎屑岩中钠质闪石特征及成因探讨
A Study of Modulated Structures and Complex Structures in Natural Alkali Feldspars:Ⅳ.Studies on Complex Structures of Alkali Feldspars of Volcaniclastic Rocks in the Northeast Part of Jiangxi Province
自然界碱性长石调制结构及复结构的研究 四、赣东北地区火山碎屑岩中
The Ropes Mine:A Pyritic Gold Deposit in Archean Volcaniclastic Rock,Ishpeming,Michigan,U.S.A
罗彼斯金矿:美国密执安州伊什珀明的太古宙火山碎屑岩中一个黄铁矿型金矿床
The ash, cinders, and other fragments become a consolidated rock.
火山灰、火山渣和其它碎屑变成了固结的岩石。
Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.
其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙碱系列火山岩、蛇绿岩等。
Granite greenstone-hosted, meta-clastics-hosted, volcanics-subvolcanics hosted and sedimentary rock-hosted micro-disseminated gold deposits are of industrial value.
具有工业价值的金矿类型以花岗岩－绿岩型、变碎屑岩型、微细浸染型、火山－次火山岩型为主。
Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin and illite.
常见有岩石碎块，包括火山岩屑，基质大部分为高龄土和伊利石。