A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel.
碳氢化合物的沉淀，如石油、煤、天然气等，由古代生物衍生而成，经过开发后用作燃料。
The mud correction and uranium-radium non-equilibrium correction equation have been derived for 1318XA natural gamma-ray spectroscopy tool, and the division method of deposit thickness is proposed.
推导出1318XA自然伽马能谱测井仪的泥浆修正公式，铀镭不平衡修正公式，提出矿层厚度划分方法。
Materials aer derived mainly fromGuposhan granite bodies in the northeast of the Sn deposit and their contactmetamorphic zone. Especially, they are closely related to the skarn cassteriteore deposit.
其成矿物质主要来源于矿区东北部的姑婆山与乌羊山花岗岩体及接触带的各类含锡原生矿床或矿化点，尤其与矽卡岩型锡石矿床关系最为密切。
The mineralized organisms and organic matter absorbed in ores in the deposit are systematically investigated, which reveals that they are all derived from bacteria and algae.
本文详细研究了矿床中的矿化生物以及矿石中的吸附有机质，证实它们源自菌藻生物。
The deposit is controlled in NW-trending shear zone derived by Altyn fault.
矿床受控于由阿尔金大断裂派生的北西向韧脆性剪切带中。
Sulfur isotope studies demonstrate that sulfur was derived from the mantle, and oxygen isotope analyses reveal that the fluid of the deposit was a mixed source of magmatic water and atmospheric water.
同位素研究表明，矿层中硫来源于地幔，而氧同位素则显示其成矿过程有大气降水的参与。
The sulfur, heat and gold in the gold deposit are derived mainly from the magmatic rocks.
岩浆岩为成矿提供硫源外，还提供了热源和部分金质；
Volcanic magma activity does not participate in the process of ore-forming. The most mineralizing materials of deposit are derived from the old basement strata during the main ore-forming period.
成矿物质主要来自于下伏地层或基底岩石，但在海西期花岗岩岩浆活动中，也有部分成矿物质的加入。
Volcanic magma activity does not participate in the process of ore-forming. The most mineralizing materials of deposit are derived from the old basement strata during the main ore-forming period.
成矿物质主要来自于下伏地层或基底岩石，但在海西期花岗岩岩浆活动中，也有部分成矿物质的加入。
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