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:
West Baker, Kramer Borate Deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA

Oldest recorded age at locality: 19
Youngest recorded age at locality: 19

mindat Locality ID: 219627
mindat URL: http://www.mindat.org/loc-219627.html

Tectonic Settings:

Total number of sublocalities beneath "West Baker, Kramer Borate Deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA": 11
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Kohler Prospect
Marshall Bond Prospect
McGinty Prospect
Mudd Mine (Western Mine; Western Shaft)
Russel I Prospect
Slosser Shaft Mine
Suckow Colemanite Mine (Suckow Shaft No. 2)
Unnamed Pumice Quarry [3]
Vanuray Prospect (Amargo Bentonite Deposit)
West Baker Mine (Suckow Mine; Suchow Mine)

Latitude: 35°2'35"N
Longitude: 117°42'6"W
Decimal Degree (lat, lon): 35.043055555556,-117.70166666667

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.

Amorphous	Calcite	Clay	None	Smectite-vermiculite	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: Al As B C Ca Fe H K Mg Na O S Sb Si U V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Calcite Clay None Smectite-vermiculite Spinel

12 IMA Minerals at location:

Borax ()*	Calcite ()*	Carnotite ()*	Dolomite ()*	Gerstleyite ()*
Greigite ()*	Kernite ()*	Montmorillonite ()*	Opal ()*	Sassolite ()*
Searlesite ()*	Ulexite ()*

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
Borax ()*	None	Na₂B₄O₅(OH)₄·8H₂O	19	19	1	159730	76
Calcite ()*	Calcite	Ca(CO₃)	19	19	1	159724	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	19	19	1	159729	1184
Dolomite ()*	None	CaMg(CO₃)₂	19	19	1	159724	9895
Gerstleyite ()*	None	Na₂(Sb,As)₈S₁₃·2H₂O	19	19	1	159724	3
Greigite ()*	Spinel	Fe²⁺Fe³⁺₂S₄	19	19	1	159724	62
Kernite ()*	None	Na₂B₄O₆(OH)₂·3H₂O	19	19	1	159724	10
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	19	19	1	159724	1508
Opal ()*	Amorphous	SiO₂·nH₂O	19	19	1	159729	2994
Sassolite ()*	None	B(OH)₃	19	19	1	159724	31
Searlesite ()*	None	NaBSi₂O₅(OH)₂	19	19	1	159724	34
Ulexite ()*	None	NaCaB₅O₆(OH)₆·5H₂O	19	19	1	159730	160

1 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
	Scott-OLEB41_307-0001	19	19	19		Age of deposition					Yes				80184	Kramer Borate Deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA	Kramer Deposit	Grew et al. (2011)	10.1007/s11084-010-9233-y	OLEB41_307	the oldest reported kernite is 19 Ma in the Kramer

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...