矿床

矿石中砂结构，分选性好；矿石w（SiO2）高达98.77%～98.98%，w（Fe2O3）仅0.038%～0.045%，实属少见的超纯石英砂岩矿床。

The ore SiO_2 content is up to 98.77 % ~ 98.98 % . Fe_2O_3 only 0 . 038 % ~ 0.045 % , which belongs to a ultra pure quartz sandstone mineral deposit .

白云鄂博REE-Nb-Fe矿床成因的氧、碳和锶同位素及微量元素地球化学证据

Geochemical evidence of oxygen , carbon and strontium isotope for genesis of the giant Bayan Obo REE-Nb-Fe mineral deposit , Inner Mongolia

他们在凿井的过程中，发现了一处稀有矿物矿床。

In course of sinking the well-shaft they came upon a deposit of a very rare mineral .

最近，研究员发现金伯利岩矿床，暗示着钻石的存在。

Researchers recently found kimberlite deposits hinting at the existence of diamonds .

除非可再生能源变得足够便宜，以促使大量的碳矿床长期(如果不能永久)滞留地下，否则地球可能会面临潜在的灾难性气候风险。

Unless   renewables   become   cheap   enough   that substantial   carbon   deposits   are   left   underground   for   a   very   long   time ,   if   not   forever ,   the planet   will   likely   be   exposed   to   potentially   catastrophic   climate   risks .

河南某钼矿属蚀变破碎带——细脉带型钼矿床

The molybdenum ore , is in Heman provinces , is in the altered rock cataclastic and veinlet belt .

对于夕卡岩型矿床，pH值无异常，没有明显的指示意义。

PH shows no anomaly and has no significant meaning for skarn deposit .

矿床开采设计方案评价与排序的DEA模型

DEA model of evaluating and ranking for mining design plans

本次研究测试了该矿床中与锡石硫化物共生的萤石的Sr和Nd同位素组成。

In this study , Sr and Nd isotopic compositions of fluorites coexisting with cassiterite and sulfides from the ore veins were analyzed .

H、O、C、S、Pb同位素资料、断裂构造地球化学与矿床地球化学分析表明矿床形成于开放体系条件。

Analyses of H , O , C , S , Pb isotope , fracture tectono-geochemistry and ore deposit geochemistry show that the ore deposit is formed in an open system .

结果表明，区域上二台子金铜矿床的表生地球化学异常元素组合为AuAsSbHgCu，并表现出与原生异常在组合、含量等特征上的一致性。

The results show that the supergene geochemical anomalies in the gold orefield have the element association of Au_As_Sb_Hg_Cu , consistent with characteristics of the primary anomalies .

幔型次火山岩主要与黄铁矿型Cu、Pb、Zn多金属矿化有关，属海相火山岩矿床系列。

Subvolcanic rocks of the mantle type related to Cu , Pb and Zn multi-metal mineralization of the pyrite type belong to the series of ore-bearing volcanic rocks of the marine facies .

同时，Bi、Cd及其他伴生元素含量也较高，在找矿勘探工作中，应注意综合评价，以提高矿床的经济价值。

Contents of Bi , Cd and other associated elements are also high . Therefore , comprehensive assessment in exploration work is expected to raise the economic value of the mine .

新疆北部三个与岩浆型Ni-Cu硫化物矿床有关的镁铁&超镁铁质岩的地球化学特征对比研究

Comparison on Petrologic Geochemistry of Three Mafic-ultramafic Intrusions Associated with Ni-Cu Sulfide Deposits in Northern Xinjiang

拉拉铁氧化物铜金钼稀土矿床Re-Os同位素年龄及其地质意义

Re-Os Dating of Molybdenite from Lala fe-oxide-cu-au-mo-ree deposit , southwest china : implications for ore genesis

TEM和XRD研究表明，在苏皖坡缕石粘土矿床的蛋白石坡缕石层中存在opalA和opalCT两种结构的蛋白石。

TEM and XRD results showed that opals in the palygorskite opal layers of palygorskite clay deposits at the boundary between Anhui and Jiangsu Provinces are divided into opal-A and opal-CT .

固体有机物质保留了金属矿床成矿过程的重要信息。ApoB在各组患者中变化不明显。

Solid organic matter remained in metalliferous ore recorded important information of ore - forming processes . ApoB remained unchanged .

湘东北普乐及横洞原生钴矿床均赋存于长平断裂带F2主干断裂下盘构造热液蚀变岩带中。

Original Co-deposits of Pule and Hengdong in northeast Hunan occurred in tectonic , hydrothermal , altered rock zone of the lower plate of main fracture belt F2 , Changping fracture zone .

这些标型特征不仅有助于南华砷铊矿床进一步开发，而且有助于含雄黄的热液矿床，特别是As、Hg、Tl、Sb、Au等矿床的找矿勘探。

All these typomorphic characteristics are helpful for the further development of the Nanhua As-Tl deposit , but also for prospecting of realgar-bearing hydrothermal deposits , especially those of As , Hg , Tl , Sb , Au , etc.

矿床水平高构造应力对矿床底板及其边坡稳定性具有不良影响，矿床开采掘面轴线走向应沿N70°E方向布设趋佳；

The high level tectonic stress exerts negative influence on the stability of the mine bed and its slope , and the excavation should be arranged in the direction of N70 ° E for convenience .

通过对矿区构造特征及其形成机制的分析，探讨了构造对钨锡成矿的控制，认为NNE-近SN向区域性断裂控制了矿床就位，呈近SN向展布；

Through an analysis of the structural characteristics and mechanism of deformation , this paper deal with the structural ore-controlling process and suggests that the deposit location is controlled by NNE-approximate SN trending regional faults as well as the deposit distributes by approximate SN extending .

广西拉么Zn-Cu矿床中夕卡岩的主要矿物特点与Ca-Fe-Si-C-O体系T-lgfo2图解

Characteristics of main skarn minerals and t-lgfo_2 phase diagram of the system ca-fe-si-c-o in Lamo skarn Zn-Cu deposit , guangxi , china

结果表明，油田卤水促进了含油气盆地中Au、Ag、Pb、Zn元素的淋滤、溶解和迁移，起到了成矿流体的作用，从而积极参与了沉积改造型矿床的成矿作用。

It is concluded that oil field brines can be effective carriers of metal elements and can effectively enhance the leaching , dissolving and transporting effects of gold , silver , lead and zinc in an oil - and gas-bearing basin and can attend actively ore deposition of sedimentary-reworked deposits .

矿床产于太古代建平群深变质岩中，矿体产出受NW向断裂构造控制，金矿化与中生代侵入岩关系密切，矿石类型主要为石英脉型。

The deposit occurs in the deep metamorphic rock of Archean Jianping formation , with the orebodies controlled by NW fault structure . The gold mineralization is closely related to the Mesozoic intrusion rock and the ore is mainly of quartzite vein type .

金川铜镍硫化物矿床铂族元素球粒陨石标准化型式属于Pt&Pd配分类型，Pt、Pd>Os、Ir、Ru、Rh，存在3种不同形式的图形；

The Jinchuan Cu-Ni sulphide deposit is hosted in ultrabasic intrusions . The platinum group elements ( PGE ) is Pt-Pd partition type in the chondrite normalization pattern with higher contents of Pt and Pd than Os , Ir , Ru and Rh , and have three different figures .

新墨西哥州卡尔斯巴德（Carlsbad）钾盐矿床是美国最早发现的古钾盐矿床，该矿床一直是美国钾盐的主要供给地。

Carlsbad potash deposit of New Mexico , found in USA the earliest among deposits of its kind , acts at all times as a leading potash-providing base .

VMS矿床的矿化模式反映的是一种热液成因，这种热液是深部（1～3km）岩浆侵入所引起并通过海水在热穹隆之上循环产生的。

Mineralization pattern reflected the hydrothermal genesis of VMS deposits , in which the thermal fluid is generated by the circulation of seawater through heat dome , which in turn is a result of the intrusion of the deep ( 1 ~ 3 km ) magma .

云南迄今57个大型矿床的幔距≤20km，其中94·7%≤16km，幔角≤1°；

The mantle distances of all known 57 large scale deposits are less than or equal to 20 km , among these deposits , 94.7 % deposits have mantle distances of less than or equal to 16 km , and mantle angles of less than or equal to 1 °;

因此，在对大型、超大型矿床进行战略性探查方面，将NASSD技术与极低密度地球化学填图相结合，可能是一条高效率、低成本的可行途径。

Therefore , in strategic exploring for large and superlarge deposits , it may bea feasible tool with high efficiency and low cost to combine NASSD with the wide-spaced geo-chemical mapping . ( 2 ) study on both existing status of elements and geochemical properties of elements ;

砂岩型铀矿床成矿过程中腐殖酸作用机理探索

Role of humic acids in the formation of sandstone-type uranium deposits