https://users.stlcc.edu/mfuller/Tuneinir/area2.html

pXRF analysis: (sample 317): barium = 846.43 ppm +/- 55..91, antimony = 115.47ppm +/- 14.23, tin = 44.95 ppm +/- 16.27, cadmium = 52.83 ppm +/- 10.26, silver = 33.11 ppm +/- 7.08, palladium = 9.64 ppm +/- 5.03, zirconium = 59.05 ppm +/- 10.94, strontium = 389.07 ppm +/- 9.32 rubidium = 24.26 ppm +/- 3.31, lead = 4457.1 ppm +/- 60.03, arsenic = 106.69 ppm +/- 49.13,  zinc = 380 ppm +/- 28.81,  copper = 17178.62 ppm +/- 160.82, nickel = 90.09 ppm +/- 29.07, iron = 11479.27 ppm +/- 206.79, and manganese = 347.13 ppm +/- 60.15.

Thin section analysis by Dr. David Bridges identified quartz, feldspar, and chert in the paste.