1.
DEVELOPMENT AND UTILIZATION OF STROMATOLITE RESOURCES AT DONGYINGFANG,JIXIAN COUNTY,TIANJIN
天津市蓟县东营房叠层石矿的开发利用研究
2.
Coal quality characteristics of carboniferous-permian coal seams of Tashan Mining Area
塔山矿区石炭二叠纪煤层煤质特性研究
3.
Graphite deposit of Heye was formed by metamorphism of the Permian coal bed.
荷叶石墨矿是由二叠系煤层变质而成的石墨矿床,石墨与煤呈同层异矿关系。
4.
SECONDARY ON THE SIGNIFICANCE OF MIDDLE-UPPER DEVONIAN STROMATOLITES AND RELATED SEDIMENTARY ENVIRONMENT
再论凡口矿区中上泥盆统叠层石及其地层沉积环境意义
5.
Ccurrence Law and Resource Potential Predication of Carboniferous-Permiancoal-bed Methane in Wubao Mining Area, Northern Part of Shaanxi Province
陕北吴堡矿区石炭—二叠系煤层气赋存规律及资源潜力预测研究
6.
The lime-stone rocks bed up against the coal.
石为岩层紧靠着煤矿层。
7.
The metallogenic source material comes from the upper mantle and the lower crust.
主要成矿时代为晚石炭世－早二叠世。
8.
ANALYSIS OF THE GROWING PROCESS OF MIDDLE AND UPPER PROTEROZOIC COLUMNAR STROMATOLITES
中上元古界柱状叠层石生长过程浅析
9.
Characteristics and Distribution of Carboniferous-Permian Strata in Linqing Depression;
临清坳陷石炭—二叠纪地层特征与分布
10.
JINGYANG Carbon Rock Sunkenk Cyclic Layer Identification of Permian Meters
济阳坳陷石炭-二叠系米氏旋回层识别
11.
Sequence-based Lithofacies Paleogeography of Permo-Carboniferous in Chengde Area
承德地区石炭-二叠系层序岩相古地理
12.
pockets of manganese in the rock;
岩石中含有锰的矿层；
13.
layer,(eg of coal,between layers of other materials,eg rock,clay)
（夹层中的） 层（如石层、黏土层之间的煤层）;矿层.
14.
BIOLOGICAL AND LITHOLOGICAL FEATURES OF MODERN STROMATOLITES 1N BAHAMAS
巴哈马现代叠层石的生物学及岩石学特征
15.
Study on rhythm of the stromatolitic lamina in the manganese nodules from the East Pacific Ocean
东太平洋锰结核中叠层石纹层韵律的研究
16.
Permo-Carboniferous Sequence Stratigraphy and Coal Accumulation Features in Southern Hebei
河北南部地区石炭—二叠纪层序地层与聚煤特征
17.
Study on Cation- exchange Capacity of Core from Sandstone Uranium Deposits
砂岩铀矿层矿石阳离子交换容量研究
18.
SEDIMENTARY FACIES AND PALAEOGRAPHY WITH OREFORMING CONDITIONS OF BAUXITE IN TAIZI RIVER BASIN OF CARBONIFEROUS-PERMIAN IN EASTERN LIAONING
辽东太子河流域石炭—二叠纪岩相古地理及铝土矿成矿地质条件