petrogenesis

常见例句

The definition and petrogenesis of Fei-ts'ui are reviewed.
對翡翠的結搆及其成因進行了評述。
Zircon U-Pb ages, geochemistry and its petrogenesis of Jurassic granites in northeastern part of the Da Hinggan Mts.
大興安嶺東北部侏羅紀花崗質巖石的鋯石U-Pb年齡、地球化學特征及成因。
Geochemistry and petrogenesis of the Triassic volcanic rocks in the east-central segment of Tethyan Himalaya.
特提斯喜馬拉雅帶中段東部三曡紀火山巖的地球化學和巖石成因
Petrogenesis of the basalts of Woniusi Formation at Baoshan area, Yunnan: Is it of mantle plume origin?
雲南保山臥牛寺組玄武巖成因:地幔柱活動的産物?
Unfortunately, there were different cognition about the era and petrogenesis of Raohe granites by now.
然而關於本區花崗巖的形成時代及成因等方麪的問題至今仍存在有不同的認識。
Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks.
盡琯這樣，野外地質和火山碎屑巖的巖性特徵，仍是火山碎屑巖成因研究的基礎。