Results 81 to 90 of about 1,193 (219)
Significance of Leucogranitic Gneiss in the Archean Teton Range
The UW National Parks Service Research Station Annual Reports, 2008 In previous years of this project, we have developed the hypothesis that the high-pressure granulites exposed in the Moose Basin area of the Teton Range represent evidence of a 2.7 billion yearÂold continent-continent collision. We have described gneisses in the Teton Range that show two distinct metamorphic histories. In the northwest there are highÂ
B. Frost +4 more
openaire +2 more sources
Raising the Roof of the World: Intra‐Crustal Asian Mantle Supports the Himalayan‐Tibetan Orogen
Tectonics, Volume 44, Issue 9, September 2025.Abstract The Himalayan‐Tibetan orogen formed via the ongoing collision of India and Asia. Its colossal elevations stem from buoyant crustal roots that doubled in thickness during continental collision, widely believed to result from Indian crust under‐thrusting its Asian counterpart and Asian crustal thickening. However, a single crustal layer of up to
P. Sternai +11 more
wiley +1 more source
WHITE MICAS IN THE LAKE LEWIS LEUCOGRANITE, NOVA SCOTIA
, 2001 The South Mountain Batholith, a peraluminous granitic complex, ranges in composition from biotite granodiorite to muscovite-topaz leucogranite. Leucogranitic rocks form minor and late components of the batholith.
Bogutyn, Patrick
core
, 1992 Pb isotopic data for whole-rock leucogranite and mineral separates, variably mineralized greisen, and galena from the East Kemptville Sn(–Cu–Zn–Ag) deposit, Yarmouth County, southwestern Nova Scotia, Canada, are presented. In contrast with ca.
D. J. Kontak, A. K. Chatterjee
core +1 more source
, 2012 The studied Miocene andalusite-bearing leucogranites intrude the upper part of the High Himalayan Crystallines (HHC) and the north Himalayan domes and outcrop in an area stretching from Mt.
C. MONTOMOLI +6 more
core +2 more sources
, 2010 The Makalu leucogranite in the eastern Nepal Himalaya is a multiphase intrusion forming the structurally highest foliation-parallel sheets along the top of the Greater Himalayan Sequence.
Searle, Michael +5 more
core +1 more source
Some progress on understanding the Phanerozoic granitoids in China
China Geology, 2018 : There are large volumes of the Phanerozoic granitoid rocks in China and neighboring areas. In recent years, numerous new and precise U-Pb zircon ages have been published for these granitoids, and define many important magmatic events, such as ca.
Tao Wang +8 more
doaj +1 more source
Tourmaline orbicules in peraluminous monzogranites of Argentina: A study case of fluid-rock interaction between leucogranite and country-rock metasediments [PDF]
, 2017 Tourmaline orbicules hosted in peraluminous granites are documented worldwide. Seven occurrences were identified in Argentina. Petrography, mineral chemistry, whole-rock geochemistry mass balance and microthermometric studies were performed in orbicules ...
Poklepovic, María Fernanda de Los Ángeles +3 more
core +1 more source
Cadalso de los Vidrios leucogranite: a worldwide building stone from Spain
, 2016 Trabajo presentado en la EGU General Assembly 2016 (European Geosciences Union), celebrada en Viena del 17 al 22 de abril de 2016.Cadalso de los Vidrios leucogranite is extracted from the Sierra de Guadarrama (Spanish Central System), about 75 ...
Fort González, Rafael, Freire, D. M.
core
Swiss Journal of GeosciencesThe Early Permian in the present-day Europe area was a time when a major tectonic shift occurred, leading from the tectonic collapse of the Variscan orogeny to the crustal extension and thinning that characterized the Early Permian times.
Stefano Zanchetta +3 more
doaj +1 more source