نتایج جستجو برای: metamorphism
تعداد نتایج: 2072 فیلتر نتایج به سال:
The San Emigdio and related Pelona, Orocopia, Rand and Sierra de Salinas schists of southern California were underplated beneath the southern Sierra Nevada batholith and adjacent southern California batholith along a shallow segment of the subducting Farallon plate in Late Cretaceous to early Tertiary time. These subduction accretion assemblages represent a regional, deeply exhumed, shallowly d...
Of critical importance to avalanche forecasting is the ability to draw meaningful conclusions from potentially only a small handful of field observations. With this in mind, our research focuses on the development of a new field metric for estimating the likelihood and rate at which new ice crystal growth and kinetic snow metamorphism may be occurring on or near a buried ice lens or crust that ...
The Core Zone of the Southeastern Churchill Province, northeastern Laurentia, is a composite of Paleoproterozoic lithotectonic domains assembled in the vise between obliquely colliding Archean Superior and North Atlantic cratons between ca. 1860 and 1810 Ma. Detailed geological and U–Pb geochronological studies of domains in the southern Core Zone highlight significant differences in Archean an...
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