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.