Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Los Osos, San Luis Obispo Co., California, USA

mindat Locality ID: 224981
mindat URL: http://www.mindat.org/loc-224981.html

Tectonic Settings:

Total number of sublocalities beneath "Los Osos, San Luis Obispo Co., California, USA": 11
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Arrisa Mine (Carrisa Mine)
Ferrell Deposit
Incello Company Property (Thompson Reid Estate; U.S. Refractories Company)
Johe Ranch Mine (Johe Manganese Deposit; Johe Ranch Deposit; Irish Hills Deposit)
Los Osos Mine (Goodwill Mine)
McKinney Iron Mines
Red Rock Pit
San Luis Range Diatomite Mine
Welch Mine
Welch Mine (Noble Electric Steel Company Mine / Property)
Welch Ranch Occurrence

Latitude: 35°16'35"N
Longitude: 120°47'54"W
Decimal Degree (lat, lon): 35.276388888889,-120.79833333333

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allophane	Amorphous	Baryte	Calcite	Chalcopyrite	Copper	Gypsum	None	Spinel

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ba C Ca Cr Cu Fe H Mn O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Amorphous Baryte Calcite Chalcopyrite Copper Gypsum None Spinel

9 IMA Minerals at location:

Baryte ()*	Chalcopyrite ()*	Chromite ()*	Copper ()*	Gypsum ()*
Hausmannite ()*	Neotocite ()*	Opal ()*	Rhodochrosite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	1	175425	11547
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	175420	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	175426	3902
Copper ()*	Copper	Cu	1	175425	3846
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	175416	6890
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	2	175419,175425	350
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	1	175419	186
Opal ()*	Amorphous	SiO₂·nH₂O	3	175417,175418,175423	2994
Rhodochrosite ()*	Calcite	Mn(CO₃)	1	175425	1711

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...