| Lat / long: | 36.40105, -120.72877 |
| Primary: | Asbestos |
| Ore: | Chrysotile |
| Orebody form: | IRREGULAR |
| Discovery year: | 1957 |
| Operation type: | Unknown |
| Production size: | Large |
| Development status: | Producer |
| Host rock: | Franciscan Sandstone;Panoche Shale And Sandstone |
| Host type: | Serpentinite |
| Associated rock: | Franciscan Complex;Panoche Formation |
| Associated type: | Shale,Sandstone |
| Structure: | Northwest-Trending Coalinga Anticline, New Idria Thrust Fault. Deposit Highly Sheared |
| Tectonic: | California Coast Ranges |
| Alteration processes: | Oxidation Of Upper 15 To 20 Ft. Of Deposit. Much Serpentine Is Recrystallized To Flaky, Matted Chrysotile. |
| MRDS | W031982 |
| DEP | 10080649 |
| Reference | {Deposit:: LINN,R.K., 1968, NEW IDRIA MINING DISTRICT -IN- ORE DEPOSITS OF THE UNITED STATES 1933-1967 (GRATEN-SALES VOLUME). NEW YORK: AM. INST OF MNG., MET., AND PET. ENG., INC., PP. 1623-49.}{Deposit:: RICE,S.J., 1966, CAL. DIV. OF MINES AND GEOL. BULL. 191, PP 86-92.} |
| Reporter | Zigler, Jan L. (Huber, Donald F.) |