Quartzite

Russia, Khabarovsk Territory, the valley of the creek Elovy. Quartzites with veins of quartz. Srednegudzhal'skaya series. Thickness - 1200-1400 metres. Absolute definition of age - no. Fossil - no. Pr₁gd_2. ICP quartz vein: Al - 6.69%, As - 3 ppm, Ba - 363 ppm, Be  - 0.9 ppm, Ca - 0.52%, Cd - 10 ppm, Co - 114 ppm, Cu - 2.5 ppm, Fe - 0.91%, K - 2.68%, La - 8.1 ppm, Li - 13 ppm, Mg - 0.32%, Mn - 342 ppm, Na - 1.35%, Ni - 6 ppm, Pb - 49 ppm, Sc - 4.6 ppm, Sr - 92.6 ppm, Ti - 0.1%, V - 19 ppm, W - 530 ppm, Y - 11 ppm, Zn - 26.6 ppm, Zr - 23.7 ppm.