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File Created: 14-Oct-1988 by Sandra E. Dumais (SED)
Last Edit:  01-Jan-0001 by BC Geological Survey (BCGS)

Summary Help Help

NMI
Name SADDLE 3/4 Mining Division Atlin
BCGS Map 114P058
Status Showing NTS Map 114P10E
Latitude 059º 31' 19'' UTM 08 (NAD 83)
Longitude 136º 34' 17'' Northing 6599224
Easting 411096
Commodities Gold, Silver Deposit Types
Tectonic Belt Insular Terrane Alexander
Capsule Geology

The Saddle 3/4 showing, 70 kilometres north-northeast of Haines, Alaska, was discovered as a result of high gold values in panned silts. The Saddle 3/4 showing is located between the Hubbard Fault and the Delani Fault system of the Alexander Terrane. The area is underlain by complexly deformed, generally low grade metamor- phosed, predominantly Paleozoic rocks. These have been affected by the Oligocene Tkope River Intrusions. Quartz veining is restricted to the intrusion and probably formed from volalites released at a later stage of the intrusion. At the site of the occurrences the intrusion is a fine to medium-grained hornblende diorite with many large xenoliths.

There are three separate locations which constitute this mineral occurrence. Each has quartz veining, of 0.3 to 5 metres width, with mineralization including pyrite, arsenopyrite and malachite.

The location given is for the central point, with the others found 1600 metres to the northwest and 1700 metres to the south- southwest. All three lie roughly along strike and at the same elev- ation.

A chip sample was obtained over a 0.5 metre width from a quartz vein with minor malachite, pyrite, and sheared chlorite margins. The assay of this sample was 0.99 grams per tonne gold and 3.1 grams per tonne silver (Assessment Report 14222).

Bibliography
EMPR ASS RPT *14210, *14222
GSC OF 926, 2191
EMPR EXPL 1985-C417; 1986-C471

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