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Gases from ancient Inland Northwest volcanic eruptions blocked out sun,cooling planet(图)
Gases ancient Inland Northwest volcanic eruptions blocked out sun cooling planet
2017/10/25
The Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, a millennia-long spewing of sulfuric gas that blocked out the sun and cooled the planet, Washington State Univers...
207Pb-206Pb, 40Ar-39Ar and Apatite Fission-Track Geothermochronology Revealing the Emplacement, Cooling and Exhumation History of the Karaçayır Syenite (N Sivas), East-Central Anatolia, Turkey
single zircon 207Pb-206Pb biotite 40Ar-39Ar apatite fission-track exhumation history Karaç ayı r syenite Sivas Turkey
2009/7/7
The Karaçayır syenite, intruding the Palaeozoic crustal metamorphics and unconformably overlain by Upper Paleocene to Eocene Tokuş formation in the north of Sivas (east-central Anatol...
207Pb-206Pb, 40Ar-39Ar and Fission-Track Geothermochronology Quantifying Cooling and Exhumation History of the Kaman-Kırşehir Region Intrusions, Central Anatolia, Turkey
single zircon 207Pb-206Pb amphibole 40Ar-39Ar apatite fission-track cooling exhumation Kaman-Kı rş ehir region central Anatolia Turkey
2009/7/7
The Kaman-Kırşehir region intrusions were generated in a post-collisional extensional setting following Cenomanian-Turonian docking of an oceanic island arc, comprising the supra-subduction ...
Stratigraphy of the lunar highland crust: Depths of burial of lunar samples from cooling-rate studies
Stratigraphy lunar highland crust Depths lunar samples cooling-rate studies
2012/4/6
Currentmodelsoflunar crustal stratigraphy arebased primarily onmodelsofimpact cratering coupled withwhatis known about the distribution ofrock types in the ejecta blanketsassociated withthe large mult...
Cooling Rate Dependency of the Formation of Smectite Crystals from a High-Pressure and High-Temperature Hydrous Melt
High pressure experiment Quenching rate Smectite crystals
2011/12/28
The effect of cooling rate on the formation of smectite crystals with high crystallinity was investigated using two different types of high-pressure and high-temperature apparatus, a modified belt typ...