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:
Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA

Oldest recorded age at locality: 5
Youngest recorded age at locality: 4

mindat Locality ID: 3437
mindat URL: http://www.mindat.org/loc-3437.html

Tectonic Settings:

Total number of sublocalities beneath "Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°59'18"N
Longitude: 122°40'36"W
Decimal Degree (lat, lon): 38.988333333333,-122.67666666667

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.

None	Northupite	Rocksalt

Borax ()*	Gaylussite ()*	Glauberite ()*	Halite ()*	Natron ()*
Northupite ()*	Pirssonite ()*	Teepleite ()*	Thermonatrite ()*	Tincalconite ()*
Trona ()*	Tychite ()*	Ulexite ()*

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: B C Ca Cl H Mg Na O S

Elements from minerals reported directly at this locality: B C Ca Cl H Mg Na O S

Structural Groups for minerals in this locality:
None Northupite Rocksalt

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Borax ()*	None	Na₂B₄O₅(OH)₄·8H₂O	5	4	76
Gaylussite ()*	None	Na₂Ca(CO₃)₂·5H₂O	5	4	57
Glauberite ()*	None	Na₂Ca(SO₄)₂	5	4	137
Halite ()*	Rocksalt	NaCl	5	4	1398
Natron ()*	None	Na₂(CO₃)·10H₂O	5	4	51
Northupite ()*	Northupite	Na₃Mg(CO₃)₂Cl	5	4	31
Pirssonite ()*	None	Na₂Ca(CO₃)₂·2H₂O	5	4	19
Teepleite ()*	None	Na₂B(OH)₄Cl	5	4	3
Thermonatrite ()*	None	Na₂(CO₃)·H₂O	5	4	64
Tincalconite ()*	None	Na₂B₄O₅(OH)₄·3H₂O	5	4	29
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O	5	4	129
Tychite ()*	Northupite	Na₆Mg₂(CO₃)₄(SO₄)	5	4	6
Ulexite ()*	None	NaCaB₅O₆(OH)₆·5H₂O	5	4	160

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
	NAVDAT-29604	5	4	4+1/-0					29604						3437	Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA		NAVDAT		NAVDAT
	NAVDAT-29605	5	4	4+1/-0					29605						3437	Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL
R060700	Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA	https://rruff.info/R060700

All locality data graciously provided by mindat.org

All age data...