Exploration models for podiform chromite in the Medford-Coos Bay quadrangles must consider the facts that (1) one deposit occurs for every 5 km 2 of ultramafic outcrop; similarly for a 5 km 3 volume, and (2) the average deposit has a tonnage of 206 tonnes, a volume of 8.9 m 3 and a grade between 43 and 51 percent Cr2O3.
Citation Information
| Publication Year | 1977 |
|---|---|
| Title | Chromite resources of the podiform chromite deposits and exploration for concealed chromite deposits in the Medford-Coos Bay quadrangles, southwestern Oregon |
| DOI | 10.3133/ofr77656 |
| Authors | Norman J. Page, Maureen G. Johnson |
| Publication Type | Report |
| Publication Subtype | USGS Numbered Series |
| Series Title | Open-File Report |
| Series Number | 77-656 |
| Index ID | ofr77656 |
| Record Source | USGS Publications Warehouse |