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Geochronology
Geochronology is a discipline of geoscience which measures the age of earth materials and provides the temporal framework in which other geoscience data can be interpreted in...Date de mise à jour: 2025-07-11Date de création: 2018-09-04Éditeur: Yukon Geological SurveyFormat: HTML -
Atlas of Late Triassic to Jurassic plutons in the Intermontane terranes of Yukon
This Atlas presents an extensive geoscience data set for the Late Triassic to Jurassic plutons that intrude the Intermontane terranes in Yukon. Plutons of this age are...Date de mise à jour: 2020-06-19Date de création: 2020-06-19Éditeur: Yukon Geological SurveyFormat: HTML -
Provenance and depositional framework of braided and meandering gravel-bed...
The Tantalus Formation developed within confined intermontane river valleys during the late stages of collision and amalgamation of Stikinia and associated arc systems with the...Date de mise à jour: 2015-12-02Date de création: 2015-12-02Éditeur: Yukon Geological SurveyFormat: HTML -
U-Pb age and geochemical studies of Mississippian and Cretaceous plutonic...
The Reid Lakes batholith (RLB) in southwestern McQuesten map area (115P) has previously been tentatively assigned a mid-Cretaceous age, although two K-Ar ages from the...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
‘Windy-McKinley’ terrane, western Yukon: new data bearing on its...
New geochronological and geochemical data from the ‘Windy-McKinley’ terrane provide insight into the age, correlation and paleotectonic settings of the various subdivisions of...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
U-Pb zircon ages for the Nordenskiold formation (Laberge Group) and...
We report here the results of U-Pb zircon analyses for samples collected during regional mapping of the northern Whitehorse trough. Three samples of the Nordenskiold formation,...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
Geological and U-Pb age constraints on base and precious metal vein systems...
Epithermal vein and porphyry-related gold-silver deposits in the Mount Nansen area are mainly hosted in Paleozoic Yukon-Tanana Terrane metasedimentary rocks and Early Jurassic...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
YukonAge 2002: A database of isotopic age determinations for rock units from...
This product contains over 1500 age determinations derived from over 1100 rock samples from the Yukon Territory in a searchable, relational-database format. The age...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
Distal micro-tephra deposits in southeast Alaskan peatlands
Volcanic ash (tephra) provides a valuable tool in palaeoenvironmental research. Traditionally, the main emphasis in tephra studies has been on layers which are visible to the...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
Uranium-lead ID-TI MS and LA-ICP-MS ages for the Cassiar and Seagull...
The Cassiar and Seagull batholiths are mainly post-tectonic felsic intrusions emplaced into the North American miogeocline and Yukon-Tanana Terrane, respectively, near the...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML -
YukonAge 2004 - A database of isotopic age determinations for rock units in...
YukonAge 2004 is an MS-Access based database containing all reported non-proprietary isotopic age determinations for bedrock units within the Yukon Territory. This is the 3rd in...Date de mise à jour: 2011-04-04Date de création: 2011-04-04Éditeur: Yukon Geological SurveyFormat: HTML