blackrange

Mineral and Energy Resources of the Mimbres ... - Black Range Rag

key element in this idea is large-scale horizontal shortening of the rocks by ..... In the late 1800s, mills and smelters were built in most of the major mining .... Mountain district to beyond the Georgetown district, Pinos Altos district, Burro ...... consolidated gravel, alluvium, sand, clay, and possibly thin layers of volcanic rock.