Mine detail: Roadcut

<< Back to the map

<< Back to browsing

Location: Clayton County, Iowa, United States, North America
Lat / long: 42.77307, -91.20764
dep_id: 10082051
mrds_id: W044559
Commodity type: nonmetallic
Major mineral: Phosphorus-Phosphates
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
Reporter: Miller, M.
hrock_unit: Maquoketa Shale
hrock_type: Phosphorite
References:
  • F1 < BROWN, C. E., 1974, PHOSPHATIC ZONE IN THE LOWER PART OF THE MAQUOKETA SHALE IN NORTHEAST IOWA: U.S. GEOLOGICAL SURVEY JOURNAL OF RESEARCH, V. 2, NO. 2, P. 219-232
© 2010-2018 Lee C. Baker unless noted. All rights reserved.