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:
Guojialin Lake, Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China

mindat Locality ID: 261953
mindat URL: http://www.mindat.org/loc-261953.html

Tectonic Settings:

Total number of sublocalities beneath "Guojialin Lake, Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 31°59'45"N
Longitude: 88°40'9"E
Decimal Degree (lat, lon): 31.995833333333,88.669166666667

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.

Aphthitalite	Calcite	Clay	Kaolinite	Mica	None	Northupite	Rocksalt

Aphthitalite ()*	Borax ()*	Calcite ()*	Gaylussite ()*	Halite ()*
Hydromagnesite ()*	Kaolinite ()*	Magnesite ()*	Mirabilite ()*	Muscovite ()*
Nahcolite ()*	Natron ()*	Northupite ()*	Thénardite ()*	Thermonatrite ()*
Tincalconite ()*	Trona ()*

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 B C Ca Cl H K Mg Na O S Si

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

Structural Groups for minerals in this locality:
Aphthitalite Calcite Clay Kaolinite Mica None Northupite Rocksalt

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aphthitalite ()*	Aphthitalite	K₃Na(SO₄)₂	77
Borax ()*	None	Na₂B₄O₅(OH)₄·8H₂O	76
Calcite ()*	Calcite	Ca(CO₃)	27770
Gaylussite ()*	None	Na₂Ca(CO₃)₂·5H₂O	57
Halite ()*	Rocksalt	NaCl	1398
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	341
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Magnesite ()*	Calcite	Mg(CO₃)	1487
Mirabilite ()*	None	Na₂(SO₄)·10H₂O	223
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Nahcolite ()*	None	NaH(CO₃)	78
Natron ()*	None	Na₂(CO₃)·10H₂O	51
Northupite ()*	Northupite	Na₃Mg(CO₃)₂Cl	31
Thénardite ()*	None	Na₂(SO₄)	299
Thermonatrite ()*	None	Na₂(CO₃)·H₂O	64
Tincalconite ()*	None	Na₂B₄O₅(OH)₄·3H₂O	29
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O	129

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...