母岩

金伯利岩是金刚石的成矿母岩之一。

The kimberlite is one of mother rock of diamond .

有利于含矿母岩风化的湿热气候；

The damp and hot climate which is favourable to the weathering of the ore-bearing mother rock ;

最后在GIS环境中实现不同母岩上发育的土壤类别空间可变性的数字化表达。

Lastly , geography information system ( GIS ) mapping to show Spatial Variability of the Soils digitally developed on different parent materials .

土壤P、K含量与成土母岩有关，与有机质含量、植被类型、土地利用方式等因素有关。相同土地利用方式下土壤肥力变化空间差异性显著。

The results show that soil organism content , N Content , P Content , K Content are lower as the increasing in strength of land-use .

而钙质结核相对于母岩和土壤，Ce亏损，出现负异常。

But , negative Ce-anomaly is discovered in calcareous nodules while normal Ce content in parent rocks and vertisols .

反映物源区或母岩性质变化的Q型聚类分析，作为地层划分与对比的一种辅助方法在实际工作中具有一定的使用价值。

Showing the changes of the source areas or rock types during the depositions , the Q type cluster analysis is useful for stratigraphical division and correlation .

土壤中稀土元素的分布模式受成土母岩及元素性质控制，呈现Eu和Ce负异常。

The normalized-distribution patterns of soils present the Eu and Ce negative anomalies , which is controlled by the parent rock and the physico-chemical properties of individual REEs .

B层土壤受外界环境影响作用较小，C层土壤更接近母岩，稳定性强，B层土壤与C层土壤在组分上具有相似性，变化不大。

B layer of soil affected by external environment influence is small and the C layer soil is closer to the parent rock , its stability is strong , so the B and C layer of soil have similarity components .

U的富集和释放能力与母岩U含量以及风化剖面中粘土矿物和铁氧化物/氢氧化物含量及吸附能力有关；

The ability of enrichment and release of U is partly controlled by content of U in bedrocks , contents and adsorption ability of clay minerals and Fe-oxides / hydroxides in weathering profiles .

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 .

地形变量中坡向对土壤TN含量影响最大，TN含量和母岩、海拔、坡向存在着正相关关系，坡度和TN含量的相关关系不明显。

Aspect among topographic variables had an important influence on TN content . The correlations with TN content and parent rocks , elevation , aspect were positively significant ( P0.05 ), The correlation with slope and TN content was no significant .

本文利用单颗粒锆石U-Pb同位素方法对大吉山补体花岗岩（铌&钽矿体的母岩）进行了成岩年龄测定，获得其侵位年龄为151.7±1.6Ma；

By means of the single-zircon U-Pb isotopic method , the intrusion age is reported in this paper , which is 151.7 ± 1.6 Ma for a patched granite body ( the source granite for Nb-Ta ) .

将全TiO2/无定型TiO2定义为钛值，并用钛值代替硅铝铁率衡量紫色母岩的风化程度。

The total / amorphous titanium was defined as " titanium value ", which was used for estimating weathering degree of purple parent rocks instead of SiO_ ( 2 ) / ( Al_ ( 2 ) O_ ( 3 ) + Fe_ ( 2 ) O_ ( 3 )) value .

结果表明：（1）乌江流域石灰土中REE的富集程度显著高于各自母岩、黄壤、上陆壳（UCC）、中国土壤（CS）和世界土壤（WS）；

The results show that the enrichment degree of REE in calcareous soils from the Wujiang catchments is much higher than that of limestone , yellow soil , upper continental crust ( UCC ), China soil ( CS ) and world soil ( WS ) .

东海陆架东部凹陷带渐新统砂岩锆石的U-P年龄表明陆架东部渐新世物源以元古代变质岩为主，其次为中生代母岩及少量太古代变质岩与古生代母岩。

The U-P dating data of zircons from Oligocene sandstones in the east of East China Sea shelf indicate that most zircon grains are Proterozoic , and then are Mesozoic , including sporadic Archean and Paleozoic ones .

结果显示：石英的裂变径迹年龄数据呈现出较大的变化范围，从1Ma到25Ma，且远远地小于其三叠纪和寒武纪的母岩年龄；

The results showed that the fission track ages of quartz vary over a wide range from 1 Ma to 25 Ma in the four profiles , significantly younger than the ages of Triassic and Cambrian parent rocks .

陶器原料的组成之一&长石，其种类和在粘土中的含量与粘土母岩的特性有关。

The feldspar is one of the components of pottery material .

古新统泥岩的母岩主要为酸性岩浆岩。

The provenance of Paleocene mudstone may mainly be acidic rocks .

其碎屑母岩应主要源自上地壳，以长英质成分为主。

Its composition of detrital mineral was felsic mainly from upper crust .

不同母岩发育土壤的可氧化态有机碳

Oxidizable organic carbon in soils originated from different parent rocks

有机物料在紫色母岩风化碎屑中的腐解及调控

Decay of organic materials in NEWLY-WEATHERED purple rock fragments and its adjustment

成矿母岩为中&酸性火山岩；

Its mother rocks are intermediate - acid volcanics .

成土母岩差异性决定了土壤可蚀性的多变；

The diversity of host rocks decided the complex multiplicity of soil erodibility .

大同煤田晚古生代陆源区母岩组合探讨

Probe into Neopaleozoic Sourceland Parent-rock Combinations in Datong Coalfield

土壤元素含量与其母岩之间多数相关不显著；

There were no correlation for most rocks and soils in element contents .

紫色母岩不同粒级风化物钾素形态分配特征

Distribution of Potassium Form in Different Class of Weathered Particles of Purple Rocks

母岩类型不同，土壤地球化学成分存在较大的差异；

Because of different rock types , chemical dements of the soils differ .

从地表到母岩的土壤的纵剖面。

A vertical section of soil from the ground surface to the parent rock .

四川盆地紫色母岩中钛与母岩原始风化度关系的研究

Titanium in purple parent rock and weathering degree of the rock in Sichuan Basin

喜山早期黑云母花岗斑岩、强硅化花岗斑岩是区内斑岩型铜、钼矿床的成矿母岩。

The metallogenic rock are biotite and intense-silicified granite-porphyry of the early stage of Xishan .