1.
The Archean Group sedimentary metamorphic iron ore to the north and north-east of Tangshan lies shallow in the earth, is large in scalc and easy to grind and process.
唐山北部和东北部太古界沉积变质铁矿埋藏浅、规模大、矿石易磨易选。
2.
Remote-sensing Geological Features and Prospecting Criteria for Volcano-Sedimentary Metamorphic Cu Deposits in the Huili-Huidong Region, Sichuan
四川会理—会东地区火山沉积变质型铜矿遥感地质特征及找矿标志
3.
Study on Ash Deposition in Boiler Based on Modes of Occurrence and Transformation of Mineral Matters;
基于矿物质赋存形态与转变过程的炉内灰渣沉积研究
4.
More hematite designates cold and drought sediment environment, and indicates sediments grain size is coarse.
而较多赤铁矿的存在则指示干冷的沉积环境,反映沉积物颗粒粗。
5.
EXHALATIVE SEDIMENTATION AND HYDROTHERMAL SUPERIMPOSITION-TRANSFORMATION CHARACTERISTICS OF THE XIANGSHANNAN PYRITE DEPOSIT, ANHUI PROVINCE
安徽向山南硫铁矿的沉积-喷气沉积与热液叠加改造特征
6.
The colour of illite jade is of distinct gradation which is related to the content of hematite in different sedimentary bed.
该玉石的颜色层次结构清楚，分界明显，与不同沉积层中赤铁矿的质量分数有关。
7.
MORPHOLOGICAL FEATURES OF AUTHIGENIC PYRITE FROM SOUTH YELLOW SEA SEDIMENTS
南黄海沉积物中自生黄铁矿的形态标型研究
8.
The Study of Sedimentary Characteristics and Nitrogen Source of Nitrate Deposit in TKW, Lop Nur, Xinjiang;
新疆罗布泊铁矿湾硝酸盐矿床沉积特征及氮源研究
9.
Study on the Mineral Characteristics and Geneses of Pyrite and Carbonate in the Shallow Water Sediments Around Hainan Island;
海南岛周边浅海沉积物中黄铁矿与碳酸盐矿物特征及成因研究
10.
SEDIMENTARY FEATURES AND HYDROLOGICAL PROPERTIES OF LOOSE SEDIMENTS AT THE CENOZOIC BOTTOM IN THE HUAIBEI NEW MINING AREA
淮北新矿区新生界底部松散沉积物沉积特征及水理性质
11.
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
12.
Analysis of Geological Feature and Metallogenic Factors about Sedimentary Type Vanadium in Dongmen Ore District,Jiangxi
江西硐门矿区沉积型钒矿地质特征及成矿因素分析
13.
Relationship between Brain Iron Deposition and the Change of the Proteins Related to Brain Iron Metabolism and Circulation Iron Level Induced by Cerebral Ischemia;
脑缺血诱导的脑铁沉积与脑铁代谢相关蛋白及循环铁变化的关系
14.
Ore formation was dominated by exhalation-sedimentation, subsequently subjected to metamorphism reformation, superposition of magmatic hydrothermalism and supergenesis.
成矿以喷气－沉积作用为主，其后经历了变质改造、岩浆热液叠加及表生氧化作用。
15.
Nor is there evidence for metamorphic minerals such as slate or marble, produced when volcanic or sedimentary rocks are subjected to high pressure or temperature.
此外，板岩、理岩等由火山岩或沉积岩受高压、温影响而形成的变质矿物，也不见存在的证据。
16.
Terrigenous Mineralogical Component in the Sediments from SCS since 30Ma and Their Geological Significance
3000万年以来南海沉积矿物组成及其地质意义
17.
GENESIS OF A CELESTINE DEPOSIT WITH REFERENCE TO ITS GEOLOGICAL CHARACTERISTCS
沉积型天青石矿床的地质特征及其成因探讨
18.
Yangla Copper Deposit Geological Characteristics of Synsedimentary Superimposed Magmatism
羊拉铜矿床同生沉积叠加岩浆作用的地质特征