Massa Hill Mine, Massa Hill, Vonson Ranch, Union, Marin Co., California, USA
A jade mine located in the NW¼SW¼ sec. 19, T5N, R7W MDM, on the E side of Massa Hill, on the Vonson Ranch, about 1 mile SW of Union and about 5 miles SW of Petaluma.
References:
California Journal of Mines and Geology (1955): 51(3) (July): 259, 280, Pl. 4.
Chesterman, C.W. (1951), Nephrite in Marin County, California: (abstract) Geological Society of America Bulletin: 62: 1517; …California Division Mines Special Report 10-B.
Yoder, Hatten S., Jr. & Charles W. Chesterman (1951), Jadeite of San Benito County, California. California Division of Mines, Special Report 10-C.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 66, 309.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 390, 397.
|
|
Map Reference: 38°10'11"N , 122°40'49"W
This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
|
Mineral List:3 entries listed. 1 valid mineral.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
