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:
Lane Mine (Sorba Mine), Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin District, Darwin Hills, Inyo Co., California, USA

Oldest recorded age at locality: 174
Youngest recorded age at locality: 174

mindat Locality ID: 79044
mindat URL: http://www.mindat.org/loc-79044.html

Tectonic Settings:

Total number of sublocalities beneath "Lane Mine (Sorba Mine), Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin District, Darwin Hills, Inyo Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°16'48"N
Longitude: 117°34'23"W
Decimal Degree (lat, lon): 36.28,-117.57305555556

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	Aragonite	Calcite	Copper	Fluorite	None	Quartz	Rocksalt	Scheelite

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: Ag Al C Ca Cu F H O Pb S Si W

Elements from minerals reported directly at this locality: Ag Al C Ca Cu F H O Pb S Si W

Structural Groups for minerals in this locality:
Allophane Aragonite Calcite Copper Fluorite None Quartz Rocksalt Scheelite

8 IMA Minerals at location:

Calcite ()*	Cerussite ()*	Chrysocolla ()*	Fluorite ()*	Galena ()*
Quartz ()*	Scheelite ()*	Silver ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	174	174	27770
Cerussite ()*	Aragonite	Pb(CO₃)	174	174	4979
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	174	174	3531
Fluorite ()*	Fluorite	CaF₂	174	174	9617
Galena ()*	Rocksalt	PbS	174	174	24243
Quartz ()*	Quartz	SiO₂	174	174	61156
Scheelite ()*	Scheelite	Ca(WO₄)	174	174	4894
Silver ()*	Copper	Ag	174	174	5186

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedznpb-00455	174	174	174							Yes				23498	Darwin District, Darwin Hills, Inyo Co., California, USA	Darwin	Singer et al. (2009)		USGSOFR2009-1252
	Jen_0001471	174	174	174		age of associated magmatism		scheelite			Yes	Scheelite			3467	Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin District, Darwin Hills, Inyo Co., California, USA	Darwin	Poulin et al. (2016)	10.3749/canmin.1500023	CM54_1147

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...