重砂

含金重砂异常微水系地质分析方法及其应用

Geological Analytical Method of Au-bearing Heavy Sand Anomaly of Micro-drainage System and Its Application

拓宽（含）金重砂异常的应用途径&以华北地台北缘东段为例

Widen the Application Scope of Au-bearing Heavy Sand Anomaly : Taking the Eastern Section at the Northern Fringe og the North China Platform as an Example

水系沉积物Mo、Cu、Pb、Zn稳定组合异常与重砂测量高温热液矿物组合异常的重叠部分可作为成矿母岩与工业钼矿体的推断依据。

The overlapping parts between the stable combination anomaly of stream sediment survey of Mo , Cu , Pb , Zn and the hypothermal mineral combination anomaly through heavy fraction surveying can be taken for foundation to infer mineralization mother rocks and industrial ore bodies .

水系重砂小样在金刚石勘查中发挥着重要的作用。

Stream samples play an important role in diamond prospecting .

重砂爆裂普查法填图在区调中的应用

Usage of placer decrepitation prospect mapping in regional geological surveying

自然重砂测量中几个值得重视的问题

Some points well worth emphasizing in natural heavy mineral survey

云南锡石自然重砂异常带的地质特征

Geological features of placer tin anomaly zones in Yunnan

金刚石勘查水系重砂小样的采集与处理

Collection and process of stream samples for Diamond Prospecting

重砂元素分析与趋势面分析

Analysis of elements in artificially-sorted heavy mineral fractions and analysis of trend surface

对单矿物建立重砂地球化学图、异常图；

Maps of geochemistry and abnormality about single mineral of schlich have been established .

台湾海峡西部海底有用重砂高品位分布与找矿意义

Distribution of high grade Submarine heavy placer minerals and prospecting significance in western Taiwan Strait

重砂矿物的种类、标型特征具有明显的继承性；

The type and typomorphic characteristics of the placer minerals have obviously property in the inheritance ;

安徽某地蓝晶石单矿物分离及人工重砂定量分析方法

Separation of monominerals of cyanite from a certain area of Anhui Province and its quantitative analysis

20万溪流重砂测量有关问题探讨

Discussion on the question related to placer survey at scale of 1 ∶ 200000 in the rivulet

铜绿山古矿井采用重砂测量的方法确定采掘方向。

The Ancient Tonglu Mountain Copper Mining adopted heavy-mineral measuring technology to determine the direction of digging .

南沙海槽南部表层重砂矿物及其成矿远景

Prospecting division of heavy placer minerals in surface sediments of the southern Nansha Trough and adjacent sea area

在金矿找矿和评价工作中，重砂测量方法能提供重要找矿信息。

The method of gold placer mineral includes significant prospecting information in the prospecting assessments of gold deposits .

研究区化探异常、重砂异常30多处且分布较密集，异常峰值较高。

There are densely distributed more than 30 geochemical and heavy mineral anomalous areas , with high peak values .

金重砂异常资料在大比例尺金矿找矿评价中的应用技术

The Applied Technique Regarding Data of Gold Placer Mineral Anomalies in the Large Scale Prospecting Assessments of Gold Deposits

对宜宾-重庆段川江高阶地的重矿物种类及其含量做了判别分析，得到了比较理想的结果。当代金刚石找矿工作中的重砂法

Stepwise discrimination analysis has been used in the study of heavy mineral assemblage . HEAVY MINERAL METHOD FOR DIAMOND PROSPECTING

并用数理统计方法讨论了重砂矿的元素赋存状态及其载体矿物。

By using mathematical and statistical method , element occurrence state and the carrier minerals in the heavy mineral are discussed .

地理信息系统在建立1∶20万自然重砂空间数据库中的应用

The application of the geographic information system for establishing ( 1 ∶ 200 000 ) natural heavy minerals space data bank

本文以湖北省重砂数据库管理信息系统的建立为基础，介绍了该系统的开发目的、数据库结构、系统设计和系统使用功能。

The authors introduced the establishment of the placer data management information system ( MIS ), its aims , structures and its various functions .

波浪底摩擦力对重砂富集的影响&以鲁南近岸区为例

Effect of the bottom friction force of shallow water wave on the enrichment of heavy mineral sands in the nearshore zone of southern Shandong Province

利用重砂、水系沉积物测量和土壤地球化学找矿方法，通过对武安冯昌一带系统扫面和重点加密工作和1∶1000比例尺填图，找到十余处含金蚀变矿化带。

More than 10 gold-bearing alteration-mineralization belts were found with the methods of heavy minerals , stream sediment survey and 1 / 1 000 geological mapping .

这些合金矿物主要通过人工重砂选矿提取的，少数合金在矿石光片中可以见到。

The alloys were mostly handpicked from heavy mineral separates of the chromitites , and a few of them can be found in thin sections of chromitites .

地理数据处理主要是统一地图投影变换和为分析解释重砂和化探异常进行的汇水盆地图的编制。

It is the geographical data pretreatment to unite the map projection and to workout map of catchment basin for analyst and explaining anomaly of sand and geochemistry .

采用矿山考古、模拟实验等方法，对中国商代采矿技术进行论证后得出如下论点：商代，探矿采用了重砂法和工程法。

Arguments are inferred as below about the mining techniques used in southern China copper mines during Shang Dynasty based on the results by using mine archaeological methods and simulation techniques .

通过本海区156个表层沉积样品和主要河流自然重砂的鉴定分析，掌握了本区重矿物的分布规律。

The distribution law of heavy minerals has been recognized by means of idenlification or analysis of both 156 samples at uppermost sedimentary deposit and samples of natural heavy minerals in this area .

即使是河床底部缝隙中与砂金相伴沉淀的重砂，由于铁磁性矿物含量较高，与其附近砂石之间存在磁性差异，利用高精度质子磁力仪，也能观测到比较明显的磁异常。

Because the magnetism of the heavy sands nearby the gold placer is stronger than that of the other sands , the magnetic anomalies also can be measured by using high-precision proton magnetometer .