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Geological Compilation Maps of the Northern Stewart River Area, Klondike and Sixtymile Districts (115N/15, 16, 115O/13, 14 and Parts of 115O/15, 16)
This set of maps represents a geological compilation of the northern part of the Stewart River map area, southwest of the Tintina Fault Zone. This report includes six 1:50,000-scale bedrock geology maps covering NTS map sheets 115N/15, 16, 115O/13, 14, 15 and 16.
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Geology of northeastern Glenlyon area (NTS 105L/10, 13, 14, 15)
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Mapping was carried out in the summer of 2018 by Rosie Cobbett and Halley Keevil for areas north of the Tintina fault; additional geological data provided by G. Jilson. Geology south of the Tintina fault is from YGS Open File 2002-9. Two areas north of the Tintina fault are extensively thermally and hydrothermally altered. The interpretation of fault traces through areas of poor rock exposure was guided by a Yukon wide geophysical survey of magnetic data.
Preliminary geological map of the Kluhini River area, NTS 115A/07
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not_specified
Preliminary geological map of the Granite Lake area, parts of NTS 115A/10, 11, 14 and 15.
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not_specified
Geological Map of Dolores Creek Map Area (106C/14), Wernecke Mountains, Yukon
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Geological map (1:50,000 scale) of "Dolores Creek" area, Wernecke Mountains, central Yukon (NTS 106C/14) including geological cross-sections and mineral occurrences.
Geological map of Dolores Creek area, Wernecke Mountains, Yukon (106C/14)
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Geological map including geological cross sections, mineral occurrences and preliminary isotopic age determinations.
Kluane Ranges bedrock geology, White River area (Parts of NTS 115F/9, 15 and 16; 115G/12 and 115K/1, 2)
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The Kluane Ranges, located in southwest Yukon, are underlain by Late Paleozoic to Late Triassic volcanic and sedimentary rocks assigned to Wrangellia. Bedrock mapping completed within the White River area indicates Wrangellian rocks underwent several phases of deformation between Late Triassic and Miocene time. Middle Triassic marine, fine-grained sedimentary rocks are preserved in grabens where they are overlain by basal conglomerates and breccias of the Nikolai formation. The grabens are related to uplift associated with the deposition of Nikolai formation flood basalts and intrusion of ultramafic bodies. Late Jurassic to Early Cretaceous compression resulted in structural stacking of older rocks and northeast- and southwest-verging overturned folds. Latest (?) Cretaceous to Miocene dextral strike-slip along the Denali fault system led to the formation of steeply dipping faults, extensional and compressional basins and refolding of older regional scale folds. Reactivation of Jura-Cretaceous faults also occurred at this time. An enigmatic pre-Middle Triassic deformation event is believed to be preserved locally in rocks of the Hasen Creek Formation.
Bedrock geological map of part of Watson Lake area (all or part of NTS 105A/2, 3, 5, 6, 7, 10, 11, 12, 13, 14), southeastern Yukon
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not_specified
Surficial Geological Map of Stewart River Valley, parts of 115O/8, 115P/5 and 115P/12
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Geological map (1:50,000 scale) of southeastern Ogilvie Mountains area, central Yukon (NTS 116A/10) including geological cross sections and mineral occurrences.
Surficial Geological Map of Stewart River Valley (Parts of 115O/8, 115P/5, 12)
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not_specified
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