1) Beishan area of Gansu Province
甘肃北山
1.
Using the new achievements of geological survey and the comprehensive materials from previous research and exploration on geology, geophysics, geochemistry and remote sensing, Beishan area of Gansu Province is divided into two gradeⅡ metallogenic zones, three gradeⅢ metallogenic belts and ten gradeⅣ sub-metallogenic belts.
根据成矿地质背景和成矿在时空上的联系性 ,以板块构造单元为基础 ,结合地质、物探、化探、遥感等成矿信息 ,将甘肃北山成矿区带厘定为 2个Ⅱ级成矿区 ,3个Ⅲ级成矿带 ,1 0个Ⅳ级成矿带。
2.
There are some reorganization of sedimentary rock existed in Sinian Xichangjing Group in Beishan area of Gansu Province.
甘肃北山地区震旦纪洗肠井群中留存诸多沉积岩识别标志。
3.
The spatial distribution of Indo-Chinese and Yanshan Epoch granites in Beishan area of Gansu Province are summarized in combination with the features of some typical deposits which metallogenesis are relevant to these granites.
本文讨论了甘肃北山地区印支燕山期花岗岩的空间分布与构造,矿化集中区的耦合关系;与印支燕山期花岗岩活动有成因关系的几个典型矿床;印支燕山期作用强度、构造环境、矿源层和矿化集中区。
2) Beishan of Gansu province
甘肃北山
1.
After that,the authors take Beishan of Gansu province for the HLW disposal area as the example,and measure the joint roughness coefficient(JRC) of surface rock mass and cores of borehole.
文章评述了现有岩体结构面粗糙度系数(JRC)的各种测定方法及存在的问题,分析了在高放废物处置库预选场址甘肃北山花岗岩地区,用"简易纵剖面仪"进行地表岩体及钻孔岩心裂隙结构面JRC的测量结果。
3) Beishan
甘肃北山
1.
A suite of volcanic-sedimentary strata exist in the Herzhadegai area,northern section of Beishan in Gansu Province,which is determined as Saozishan Formation through the study of geological ages and lithostratigraphic and regional correlation,meanwhile,subdivided into 4 lithological members in terms of their lithological differences.
甘肃北山北部霍勒扎德盖地区,分布着一套火山—沉积地层,对其进行岩石地层、区域对比及地层年代等方面的研究,划归扫子山组,并依据组内岩性差异划分为4个岩性段。
4) Beishan area of Gansu
甘肃北山
1.
Age and preliminary revision of the Pochengshan formation in Beishan area of Gansu province;
甘肃北山地区"破城山组"的初步修订和时代
5) sub-north zone of Beishan in Gansu Province
甘肃北山北亚带
6) The central Beishan mountains
甘肃北山中部
补充资料：甘肃北山
即马鬃山。甘肃河西走廊北端、以海拔2583米的马鬃山主峰为中心的准平原化干燥剥蚀低山、残丘与洪积及剥蚀平地的总称。范围东至内蒙古自治区西部的弱水西岸，西南楔入新疆罗布泊洼地东缘，南起疏勒河北岸戈壁残丘，北迄中、蒙边境,面积8.8万平方公里。地质构造上属北山块断带，由一系列雁行状山脉组成。在宽平向斜中常有中生代沉积。火山岩和花岗岩的侵入普遍，有广泛的接触变质现象。在花岗岩侵入石灰系灰岩的接触带上，形成矽卡岩型铜、铅、锌等多种金属矿床。在古老基底岩系中每有铁矿。在古生代末期形成的地堑式盆地中,多沉积成侏罗系煤层,如野马街南已开采的马鬃山煤矿。属温带荒漠气候,年均温3.9℃,1月均温-17.5℃，7月12.1℃。 年降水量80.7毫米，而年蒸发量3031毫米。无常年性河流与湖泊，暴雨后干河床与低地有洪水。低洼地带有泉水出露，往往形成小绿洲。土壤以棕色荒漠土为主，植被盖度极小，常见的有假木贼、霸王、麻黄等。沿干河床长有小盐生草、针茅、锦鸡儿和蒿属等短命植被。全区景观单调荒凉，但仍属河西肃北蒙古族重要牧区之一。
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参考词条