organic geochemistry的用法和样例：
例句
- It is a novel studied field in organic geochemistry using amount and distribution of nitrogen compounds in crude oils to study petroleum migration.
应用石油含氮化合物分布研究石油运移是目前国内外有机地球化学研究领域的一个新方向。 - The characteristics and genesis of Silurian bituminous sandstone in the Tarim Basin are detailedly studied by using the methods of organic petrology and geochemistry.
采用有机岩石学和有机地球化学相结合的方法，详细研究了塔里木盆地志留系沥青砂岩的特征及其成因。
