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:
Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA

Oldest recorded age at locality: 88
Youngest recorded age at locality: 0.01

mindat Locality ID: 256006
mindat URL: http://www.mindat.org/loc-256006.html

Tectonic Settings:

Total number of sublocalities beneath "Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Calearth Mine (Calearth-4; Oversight; Lake View)
Gold Ridge Group Of Mines (Gold Ridge Claim; Iron Mask Claim; Gold Point Claim; Goodrich Claim; Old Mexican Group Of Claims)
Le Cyr Deposit (Valley View Claim; Le Cyr Valley View)
Red Ridge Occurrence
Runge Claim
Staats Occurrence
Vermillion Canyon Prospects

Latitude: 36°19'18"N
Longitude: 117°51'27"W
Decimal Degree (lat, lon): 36.321666666667,-117.8575

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.

Copper	Corundum	None	Quartz	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: Au Fe O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Copper Corundum None Quartz Spinel

4 IMA Minerals at location:

Gold ()*	Hematite ()*	Magnetite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Gold ()*	Copper	Au	88	0.01	1	157364	30554
Hematite ()*	Corundum	Fe₂O₃	88	0.01	1	157365	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	88	0.01	1	157365	14899
Quartz ()*	Quartz	SiO₂	88	0.01	1	157364	61156

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_443	Granodiorite of Sugarloaf, 3.2 km S of Roaring River Falls See Table A1. Not to be confused with Sugar Loaf Mountain, also a peak in the Coso Mountains.

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Michelle_443	88	80	<88	U-Pb	Preferred intrusive age	zircon	48	Zircon	256006	Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA	Sugarloaf	Chen and Moore (1982)	10.1029/JB087iB06p04761	AJS299_93	See p. 4768, Table 2. Age group LK (Late Cretaceous 80-100 ma).
NAVDAT-29557	4	1.5	2.75±1.25				29557		79470	Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA		NAVDAT		NAVDAT
NAVDAT-5349	5.3	0.01	2.66+2.64/-2.65				5349		79470	Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA		NAVDAT		NAVDAT
NAVDAT-5350	5.3	0.01	2.66+2.64/-2.65				5350		79470	Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA		NAVDAT		NAVDAT
NAVDAT-5351	5.3	0.01	2.66+2.64/-2.65				5351		79470	Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...