搜索结果: 1-15 共查到“理学 petrogenesis”相关记录15条 . 查询时间(0.095 秒)
New constraints on shergottite petrogenesis from analysis of Pb isotopic compositional space: Implications for mantle heterogeneity and crustal assimilation on Mars
shergottite Pb isotopes Martian geochemistry crustal assimilation mantle heterogeneity
2017/4/10
Geochemical studies of shergottites (Martian basalts) based on Rb-Sr, Sm-Nd, and Lu-Hf isotopic systematics have
provided clues to understanding the geochemical evolution of the Martian mantle and id...
Petrogenesis of macrocrystic and aphanitic intrusions in Mesoproterozoic diamondiferous pipe 2 kimberlite, Wajrakarur kimberlite field, eastern Dharwar craton, southern India
Wajrakarur kimberlite field Eastern Dharwar craton geochemistry geochemical modeling petrogenesis
2017/4/11
Mesoproterozoic Pipe 2 kimberlite intruding granitic gneisses in the Wajrakarur kimberlite field (WKF) of Eastern
Dharwar craton, southern India, is one of the first discovered pipes from this field....
Petrogenesis of the ridge subduction-related granitoids from the Taitao Peninsula, Chile Triple Junction Area
granite ridge-subduction slab-melting Taitao adakite TTG
2017/4/11
Geochemical compositions are reported for Late Miocene to Pliocene granitoids from the Taitao Peninsula near the
Chile ridge subduction zone. Major element compositions of Taitao granitoids show a re...
Geochronology, petrogenesis and metallogeny of Piaotang granitoids in the tungsten deposit region of South China
granitoids tungsten metallogeny U-Pb dating Hf isotope South China
2017/8/9
The tungsten deposit region of South China is well known as the world's leading tungsten (W) producer. The Piaotang tungsten deposit in the region is such a representative large-scale quartz vein type...
Petrogenesis of Early Cretaceous silicic volcanism in SE Uruguay: The role of mantle and crustal sources
Uruguay Paraná-Etendeka rhyolite lower crust crustal contamination
2017/8/9
Early Cretaceous (~129 Ma) silicic rocks crop out in SE Uruguay between the Laguna Merín and Santa Lucía basins in the Lascano, Sierra São Miguel, Salamanca and Minas areas. They are mostly rhyol...
Geochemistry of trondhjemites and mafic rocks in the Bymarka ophiolite fragment,Trondheim,Norway:Petrogenesis and tectonic implications
Geochemistry of trondhjemites mafic rocks Bymarka ophiolite fragment tectonic implications
2009/12/3
The Early Ordovician Bymarka ophiolite fragment is situated in the Upper Allochthon of the central Norwegian Caledonides. Geochemical and geochronological investigations of this and other ophiolite fr...
What olivine,the neglected mineral,tells us about kimberlite petrogenesis
olivine neglected mineral kimberlite petrogenesis
2009/10/22
We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in ...
Petrogenesis of the Çiçekdağ Igneous Complex, N of Kırşehir, Central Anatolia, Turkey
Ç iç ekdağ igneous complex, high-K calcalkaline alkaline magmatism Central Anatolian ophiolite igneous petrogenesis collision zone magmatism
2009/7/8
Central Anatolia typically represents well-preserved geological features of a collision zone. This collision zone is characterized by some geological events occurred in the Anatolide passive margin of...
Genetic Relations Between Skarn Mineralization and Petrogenesis of the Evciler Granitoid, Kazdağ, Çanakkale, Turkey and Comparison with World Skarn Granitoids
gold copper skarn mineralization Evciler granitoid Kazdağ NW Turkey
2009/7/7
Most skarn deposits are directly related to magmatic activity, and there is a systematic correlation between the composition of causative plutons and the metal contents of the related skarns. This pap...
Petrogenesis of the Kösedağ Pluton, Suşehri-NE Sivas, East-Central Pontides, Turkey
geochemistry geodynamics Kö sedağ pluton central-eastern Pontides Turkey
2009/7/7
The Kösedağ syenite crops out as a shallow-seated pluton within the Eocene volcano-sedimentary rocks and is unconformably overlain by Lower Miocene limestones in the Suşehri-NE Sivas r...
Petrogenesis of the Refahiye Ophiolite and its Tectonic Significance for Neotethyan Ophiolites Along the İzmir-Ankara-Erzincan Suture Zone
Refahiye (Erzincan) İ zmir-Ankara-Erzincan Suture Zone ophiolite forearc suprasubduction
2009/7/7
The Refahiye ophiolite, situated near Erzincan in the eastern part of the İzmir-Ankara-Erzincan Suture Zone (İAESZ), is one of the best exposures of oceanic lithosphere in the northern branc...
Contemporaneous Late Cretaceous Calc-alkaline and Alkaline Magmatism in Central Anatolia,Turkey:O Isotope Constraints on Petrogenesis
I-type granite A-type granite oxygen isotope Kaman-Kı rş ehir region central Anatolia Turkey
2010/1/11
A wide variety of rock types were produced by the latest Cretaceous magmatism in the Central Anatolian Crystalline Complex. These rocks can be divided into three distinct units: (i) calc-alkaline, (ii...
Elemental and Sr-Nd-Pb isotopic compositions of late Cenozoic Abaga basalts, Inner Mongolia: Implications for petrogenesis and mantle process
geochronology geochemistry Abaga basalts late Cenozoic Inner Mongolia
2017/8/10
The Abaga volcanic field is one of the largest and least known areas of late Cenozoic intraplate igneous activities in eastern China. Twenty-seven Abaga basaltic rocks were analyzed for major and trac...
Petrogenesis of the Refahiye Ophiolite and its Tectonic Significance for Neotethyan Ophiolites Along the İzmir-Ankara-Erzincan Suture Zone
Refahiye (Erzincan) İ zmir-Ankara-Erzincan Suture Zone ophiolite forearc suprasubduction
2010/1/11
The Refahiye ophiolite, situated near Erzincan in the eastern part of the İzmir-Ankara-Erzincan Suture Zone (İAESZ), is one of the best exposures of oceanic lithosphere in the northern branc...
What olivine, the neglected mineral, tells us about kimberlite petrogenesis
What olivine the neglected mineral kimberlite petrogenesis
2010/9/28
We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in ...