Find publications, data and maps managed by the
Yukon Geological Survey

Occurrence Details


Occurrence Number
115N 044
Occurrence Name
Enchantment
Occurrence Type
Hard-rock
Status
Showing


General Information

Secondary Commodities: gold, copper
Deposit Type(s): Paleoplacer
Location(s): 63.887780 N, -140.421670 W
NTS Mapsheet(s): 115N16
Location Comments: .5 Kilometres
Hand Samples Available at YGS: No

Capsule

Exploration History

Staked as Hart cl (87406) in May/66 by L. Proctor; as Pal cl 1-16 (Yl5890) in Apr/69 by Klondike Exploration Ltd; and as Hart cl 1-8 (Y65838) in Jan/73 by Silver Standard Mines Ltd, which carried out geological mapping and geochemical sampling later in the year.

Restaked as Ma cl 1-4 (YA89555) in Jul/87 by S. Ridgeway, who transferred the claims to Walhalla Exploration Ltd in May/89.

Restaked as Monica cl 1-10 (YC04655) in Sep/97 by A. Rudis, who formed an informal partnership with R. Nordling. The pair carried out geochemical sampling in 1998 and 1999. Rudis staked Ax cl 1-12 (YC13379) 7 km south and Al cl 1-22 (YC13391) 5 km south in Apr/99. In Oct/99 R. Nordling staked Nic cl 1-4 (YC20926) 7.5 km to the southwest.

In Aug/2000 Nordling staked Tim cl 1-2 (YC20309) and Sha cl 1-4 (YC20311) 2 km southwest and added Nic cl 5-6 (YC20926) and cl 9-14 (YC20928) to their holdings. Following the completion of staking, the partners carried out magnetic geophysical surveys over the Monica, Nic, Sha, Tim and Al claims and collected numerous soil, silt and rock samples over their various claim holdings.

The Chant claims were staked in 2010 by S. Ryan and optioned to White Gold Corp. The Hart claims were staked in 2013 by White Gold.

Capsule Geology

The area surrounding this occurrence is underlain by Late Devonian to mid-Mississippian and older (?) metasedimentary and metavolcanic rocks assigned to the Nasina Assemblage. These rocks are intruded by a large body of orthogneissic rocks derived from metaplutonic rocks. In some places the orthogneiss is merely strongly foliated, rather than truly gneissic. The exact age of these rocks is unknown, but Ryan and Gordey (2002, 2003) reported a earliest Mississippian age for orthogneissic rocks located in the southern half of the Stewart River map sheet.

The orthogneiss is overlain by a sequence of unmetamorphosed sedimentary and volcanic rocks informally referred to as the Carmacks Group. The Carmacks Group is believed to range from Lower to Upper Cretaceous in age. Numerous granitic intrusions ranging from Cretaceous to Tertiary are also known to occur in the region.

Sampling in 1998 and 1999 by Rudis and Nordling produced two silt samples from Cheryl Creek (local name) that returned anomalous values for Au; the first from a small tributary just south of the Monica cl 6 (25 ppb Au) and the second just above the confluence with Fifty Mile Creek in the vicinity of Al cl 9 (58 ppb Au). Placer gold previously recovered from Cheryl Creek was largely coarse with a few pieces showing enclosed fragile cuprite crystals. This suggests that any gold present in the area has not traveled far from source.

A total magnetic field survey run along Cheryl Creek returned a semi-continuous magnetic anomaly which may define an old stream channel or a possible bedrock source. A second survey run across the Nic claims returned a semi-continuous magnetic anomaly over Line 2 of the survey which was theorized to represent either magnetite concentrations within the placer gravels and/or a bedrock source. Prospecting along Cheryl Creek returned highs of 214 ppm nickel, 150 ppm zinc and 24 ppb gold from various ultramafic and gneissic float samples. The ultramafic samples likely represent small dykes cutting across bedrock.

Location Map

Last Updated: Aug 5, 2022

Work History

Year Work Type Comment
2021 Airphotography: Orthophoto
2021 Geochemistry: Rock
2021 Geology: Detailed Bedrock Mapping
2021 Ground Geophysics: IP
2021 Ground Geophysics: Resistivity
2021 Remote Sensing: LIDAR
2020 Geochemistry: Soil
2020 Ground Geophysics: EM
2020 Ground Geophysics: Magnetics
2012 Geochemistry: Rock
2012 Geochemistry: Soil
2012 Other: Prospecting
2000 Geochemistry: Rock
2000 Geochemistry: Silt
2000 Ground Geophysics: Magnetics Partnership carried out Total Field magnetic surveys over various claims.
2000 Other: Prospecting
1999 Other: Prospecting
1999 Geochemistry: Rock
1999 Geochemistry: Silt
1999 Geochemistry: Soil
1999 Trenching: Hand
1998 Geochemistry: Rock Also soil sampling.
1997 Geochemistry: Rock Also soil sampling.
1973 Geochemistry: Rock
1973 Geology: Bedrock Mapping

Regional Geology - Terrane

Group: Intermontane
Affinity: W Laurentia
Name: Yukon-Tanana
Realm: peri-Laurentian


Regional Geology - Bedrock

Supergroup:
Group/Suite: Carmacks
Formation: Little Ridge/Casino
Member:
Terrane:
Period Max: Cretaceous
Age Max: 73 MA
Period Min: Cretaceous
Age Min: 68 MA
Rock Major: basalt/breccia/andesite/porphyry/dacite/trachyte
Rock Minor: conglomerate/agglomerate
Reference: Mortensen (1996) - YGS OF 1996-1(G)
Geological Unit (1M): uKC
Geological Unit (250K): uKC1

Assessment Reports that overlap occurrence

Report Number Year Title Worktypes Holes Drilled Meters Drilled
096400 2012 Geological and Geochemical Report, Mapping and Soil Surveys on the Fifty-Mile Block Rock - Geochemistry, Rock - Geochemistry, Soil - Geochemistry, Soil - Geochemistry, Prospecting - Other, Prospecting - Other
095997 2011 Geological and Geochemical Report on the Fifty Mile Property Rock - Geochemistry, Rock - Geochemistry, Soil - Geochemistry, Soil - Geochemistry, Bedrock Mapping - Geology, Bedrock Mapping - Geology, Backhoe - Trenching, Backhoe - Trenching
120195 2001 Analysis: Total Magnetic Field and Gradient Survey of the Fifty Mile Placer Properties Shaft Development - Development, Underground, Silt - Geochemistry, Magnetics - Ground Geophysics, Heavy Mineral Concentrate - Lab Work/Physical Studies, Highbanker, longtom - Placer Processing, Panning - Placer Processing, Data Compilation - Pre-existing Data, Hand - Trenching
094285 2000 Assessment Evaluation Report-Nordling & Rudis-Monica 1-10-Assessment Period: 1990-2000 Magnetics - Ground Geophysics, Data Compilation - Pre-existing Data
094072 1999 Geological and Geochemical Report on the Enchantment Creek-Intrusion related Gold Target-West Central Yukon Territory Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Bedrock Mapping - Geology, Prospecting - Other
094121 1999 Assessment Evaluation Report-Nordling & Rudis-50 Mile Creek Area Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Prospecting - Other, Hand - Trenching
093956 1998 Assessment Evaluation Report-Nordling & Rudis-Monica 1-10-Assessment Period: 1997-1998 Biogeochemistry - Geochemistry, Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Heavy Mineral Concentrate - Lab Work/Physical Studies

Related References

Number Title Page(s) Document Type
ARMC012814 Map Sheet 115-N-16 showing claims of area and notations - Mount Hart area Geoscience Map (General)
ARMC012820 Geology map of Mount Hart area - 115-N-16 Geoscience Map (Geological - Bedrock)
ARMC012828 Air photo overlays - 115-N-16 - Enchantment Creek, Mt. Hart, 50 Mile Creek, Boucher Creek, Haute Gulch, Mt. Tyrell, Granite Gulch, 60 Mile River areas - Air photos no. 12043-341, 12043-336, 12043-335, 12043-337, 12042-322, 12042-319, 12043-285, 12043-283, 12043-281, 12043-282, 12043-284, 12043-339, 12042-318. Geoscience Map (General)
ARMC012827 Notes on Enchantment Creek fly camp Miscellaneous Company Documents
ARMC012822 Map of Enchantment Creek area showing geochemical assays - Field copy - Aeromagnetic series map 4282G Geochemical Map
ARMC012821 Map of Enchantment Creek area showing geochemical location markings - Aeromagnetic series map 4282G Geochemical Map
ARMC012825 Map of Enchantment Creek area showing geology - Aeromagnetic series map 4282G Geoscience Map (Geological - Bedrock)
ARMC012824 Map of Enchantment Creek area showing geology (coloured) - Aeromagnetic series map 4282G Geoscience Map (Geological - Bedrock)
ARMC012823 Map of Enchantment Creek area with notations - Aeromagnetic series map 4282G Geophysical Map
ARMC012826 Map of Enchantment Creek area with waterways marked - Aeromagnetic series map 4282G Geophysical Map
99-057 Prospecting Technical Report for 50 Mile Creek Area, Henderson Dome Area YMEP Report
Citations
GEOLOGICAL SURVEY OF CANADA Paper 73-1, Part A, p. 48-49.
GORDEY, S.P. AND MAKEPEACE, A.J. 2003: Yukon Digital Geology, version 2.0, S.P. Gordey and A.J. Makepeace (comp); Geological Survey of Canada, Open file 1749 and Yukon Geological Survey, Open file 2003-9 (D).
MINERAL INDUSTRY REPORT 1973, p. 32.
MORTENSEN, J.K., Geological Compilation Maps of the Northern Stewart River map area Klondike and Sixtymile Districts (115N/15,16; 115O/13,14 and parts of 115O/15,16). Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada, Open File 1996-1 (G).
RYAN, J.J. AND GORDEY, S.P. 2002. Bedrock geology of Yukon-Tanana terrane in southern Stewart River map area, Yukon Territory. Geological Survey of Canada, Current Research 2002-A1, 11 p.
RYAN, J.J. ET AL., 2003. Update on bedrock geological mapping of the Yukon-Tanana terrane, southern Stewart River map area, Yukon Territory. Geological Survey of Canada. Current Research 2003-A9, 7 p.

Submit Information to Yukon Geological Survey

Name:

E-mail:

Comment: