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File Created: 01-Jan-1989 by George Owsiacki (GO)
Last Edit:  27-Mar-2022 by Nicole Barlow (NB)

Summary Help Help

NMI 094E6 Au4
Name BLOSS, RANCH, AL (BLOSS), AL Mining Division Liard, Omineca
BCGS Map 094E044
Status Prospect NTS Map 094E06W
Latitude 057º 27' 29'' UTM 09 (NAD 83)
Longitude 127º 20' 52'' Northing 6369581
Easting 599127
Commodities Gold Deposit Types H04 : Epithermal Au-Ag-Cu: high sulphidation
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Bloss occurrence is located 5.1 kilometres east-southeast of the summit of Alberts Hump, south of Abesti Creek and 2.25 kilometres south of the BV occurrence (094E 099), approximately 300 kilometres north of Smithers. The occurrence lies within the Omineca-Cassiar Mountains in the west-central portion of the Toodoggone Gold Camp.

The Bloss prospect is situated within a Mesozoic volcanic arc assemblage which lies along the eastern margin of the Intermontane Belt, a northwest-trending belt of Paleozoic to Tertiary sediments, volcanics and intrusions bounded to the east by the Omineca Belt and to the west and southwest by the Sustut and Bowser basins. Permian Asitka Group crystalline limestones are the oldest rocks exposed in the region. They are commonly in thrust contact with Upper Triassic Takla Group andesite flows and pyroclastic rocks. Takla volcanics have been intruded by the granodiorite to quartz monzonite Black Lake Suite of Early Jurassic age and are in turn unconformably overlain by or faulted against Lower Jurassic calcalkaline volcanics of the Toodoggone Formation (Hazelton Group).

The dominant structures in the area are steeply dipping faults which define a prominent regional northwest structural fabric trending 140 to 170 degrees. In turn, high angle, northeast-striking faults (approximately 060 degrees) appear to truncate and displace northwest-striking faults. Collectively these faults form a boundary for variably rotated and tilted blocks underlain by monoclinal strata.

The Adoogacho and Metsantan members of the Toodoggone Formation underlie the AL property. The Adoogacho Member consists of trachyandesite ash-flow tuff with lenses of lapilli tuff, rare marlstone, and conglomerate near the base. The Metsantan Member is composed mainly of trachyandesite (latite) flows with lenses of lapilli tuff, and lahar; minor volcanic sandstone and conglomerate Bulletin 86). The Metsantan Member, in part, directly overlies the basal Adoogacho Member and is also in fault contact with it.

The Bloss prospect consists of a steeply dipping, east trending core of completely silicified rock apparently flanked by a clay alteration zone. The core has a tabular, vein-like form which outcrops as a resistant spine. The south contact or wall of the siliceous core appears to be a south-dipping fault; the north contact is not exposed. The core zone is well fractured and is locally brecciated. Fractures contain traces of pyrite with abundant limonite and minor hematite. Barite is present but not abundant. The porosity of the rock is low except where (post mineral?) fracturing and brecciation are intense. The zone is open to the east, west and north.

A series of chip samples from trenches yielded a best assay of 1.4 grams per tonne gold across 2.4 metres (sample G-174, Assessment Report 14460). Grab sample 116F, taken in 1982 from this same zone, analyzed 2.1 and 9.1 grams per tonne gold (Assessment Report 14460).

In 1985, Energex Minerals Ltd. conducted exploration work on the Bloss.

In 2007, Christopher James Gold Corp. completed a helicopter-borne magnetic gradiometer survey consisting of 2229 line-kilometres over all historic gold deposits and MINFILE occurrences on the property, including the Steve's area (Assessment Report 30132). Maps completed include coloured Total Magnetic Intensity, Measured 3-D Analytic Signal, Measured Vertical Magnetic Gradient, and colour-shaded Tilt Derivative of the Total Magnetic Intensity.

For a more detailed account of the local geology, alteration and work history refer to the Bonanza occurrence (094E 079).

EMPR EXPL 1975-E163-E167; 1976-E175-E177; 1977-E216-E217; 1978-E244-E246; 1979-265-267; 1980-421-436; 1982-330-345; 1983-475-488; 1984-348-357; 1985-C349-C362; 1986-C388-C414; 1987-C328-C346; 1988-A16,C185-C194
EMPR FIELDWORK 1980, pp. 124-129; 1981, pp. 122-129, 135-141; 1982, pp. 125-127; 1983, pp. 137-138, 142-148; *1984, pp. 139-145, 291-293; 1985, pp. 167-169, 299; 1987, pp. 111, 114-115; *1988, pp. 409-415; 1989, pp. 409-415; 1991, pp. 207-216
EMPR GEM 1969-103; 1971-63-71; 1972-483; 1973-456-463; 1980-427; 1982-15,336,337; 1983-xx,485; 1984-353,354; 1985-A20,A21,C355; 1986-A12,A44,A45,C403,C404,C407,C408; 1987-A44,C337
EMPR GEOLOGY 1977-1981, pp. 156-161
EMPR MAP 61 (1985)
EMPR PF (Photogeologic Interpretation Map of the Northern Omineca area, Oct. 1964, Canadian Superior Exploration Limited-in 94E General File)
EMPR PFD 900004
GSC OF 306; 483
GSC P 76-1A, pp. 87-90; 80-1A, pp. 27-32; 80-1B, pp. 207-211
ECON GEOL Vol.86, pp. 529-554, 1991
GCNL #135,#180,#175,#165, 1988; #86,#19,#80, 1987; #165,#211,#217, #148,#206,#162,#125,#35,#54,#22, 1986; #166,#158,#154,#144,#141, #137,#23,#128, 1985; #217,#145,#147,#163,#123, 1984; #243, 1983; #236, 1981
IPDM Nov/Dec 1983
MIN REV September/October, 1982; July/August, 1986
NAGMIN Nov.8, 1985
N MINER Dec.24, 1981; July 26, 1984; Feb.21, June 27, July 25, Aug.1, Sept.9, 1985; May 12, June 16, July 28, Aug.4, Sept.15, Oct.6, Nov.10, 1986; Feb.2,9, 1987; June 13, 1988; October 13, 1986
N MINER MAG March 1987; March 1988, p. 1
V STOCKWATCH Jul.28, Aug.12,26,29, 1987
WIN Vol.1, #7, June 1987
W MINER April, 1982
*Bowen, B.K. (2012): Technical Report on the Ranch Project, for Guardsmen Resources Inc., May 18, 2012
Forster, D.B. (1984): Geology, Petrology and Precious Metal Mineralization, Toodoggone River Area, North-Central British Columbia, Unpub. Ph.D. Thesis, University of British Columbia
Diakow, L.J. (1990): Volcanism and Evolution of the Early and Middle Jurassic Toodoggone Formation, Toodoggone Mining District, British Columbia, Ph.D. Thesis, University of Western Ontario
Falconbridge File
Chinapintza Mining Corp. (2020-09-18): NI 43-101 Technical Report, Geological Introduction to Chinapintza Mining Corp.'s Ranch Gold Project, Toodoggone Region, British Columbia, Canada
Chinapintza Mining Corp. (2021-06-22): Amended Technical Report: NI 43-101 Technical Report, Geological Introduction to Chinapintza Mining Corp.’s Ranch Gold Project, Toodoggone Region, British Columbia, Canada