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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  30-Nov-1996 by Keith J. Mountjoy (KJM)

Summary Help Help

NMI
Name MARRON FLAT Mining Division Osoyoos
BCGS Map 082E032
Status Showing NTS Map 082E05E
Latitude 049º 21' 00'' UTM 11 (NAD 83)
Longitude 119º 40' 04'' Northing 5469788
Easting 306253
Commodities Rhodonite, Gemstones Deposit Types Q02 : Rhodonite
F01 : Sedimentary Mn
Tectonic Belt Intermontane Terrane Okanagan, Overlap Assemblage
Capsule Geology

The Marron Flat rhodonite occurrence location is not known.

The Marron Valley area lies within the central part of the White Lake basin, a thick accumulation of Eocene Penticton Group volcanic rocks, interlayered with clastic sedimentary rocks which are largely of volcanic derivation. The Eocene rocks rest unconformably on Carboniferous to Triassic metavolcanic and metasedimentary rocks of Old Tom and Shoemaker formations, Upper Triassic Independence Formation and Jurassic granitic intrusions. The White Lake basin forms a topographic low and is truncated by early gravity faults. The units generally dip to the east and are folded and faulted.

It is possible that jasper occurs either in a small inlier of Shoemaker Formation or as float in Quaternary outliers within Eocene Penticton Group volcanics.

Bibliography
EMPR OF 1989-5
GSC MAP 341A; 538A; 539A; 541A; 15-1961; 1736A; 2389
GSC OF 481; 637; 1505A; 1565; 1969
GSC P 37-21; 72-53, p. 58
The Canadian Rockhound *Feb., 1966, page 9

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