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:
Chagcam Caka (Zhacang Chaka), Gê'gyai Co. (Geji Co.), Ngari, Tibet, China

mindat Locality ID: 135335
mindat URL: http://www.mindat.org/loc-135335.html

Tectonic Settings:

Total number of sublocalities beneath "Chagcam Caka (Zhacang Chaka), Gê'gyai Co. (Geji Co.), Ngari, Tibet, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°34'29"N
Longitude: 82°22'30"E
Decimal Degree (lat, lon): 32.574722222222,82.375

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	Aragonite	Calcite	Clay	Epsomite	Gypsum	Hilgardite	Kaolinite	Mica	None
Not in a structural group	Picromerite	Rocksalt	Smectite-vermiculite	Syngenite

Anhydrite ()*	Aphthitalite ()*	Aragonite ()*	Borax ()*	Calcite ()*
Dolomite ()*	Epsomite ()*	Gypsum ()*	Halite ()*	Hydroglauberite ()*
Hydrohalite ()*	Hydromagnesite ()*	Inderite ()*	Inyoite ()*	Kaolinite ()*
Kurgantaite ()*	Kurnakovite ()*	Magnesite ()*	Mirabilite ()*	Montmorillonite ()*
Muscovite ()*	Picromerite ()*	Pinnoite ()*	Syngenite ()*	Thénardite ()*
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: Al B C Ca Cl H K Mg Na O S Si Sr

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

Structural Groups for minerals in this locality:
Aphthitalite Aragonite Calcite Clay Epsomite Gypsum Hilgardite Kaolinite Mica None
Not in a structural group Picromerite Rocksalt Smectite-vermiculite Syngenite

26 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1588
Aphthitalite ()*	Aphthitalite	K₃Na(SO₄)₂	77
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Borax ()*	None	Na₂B₄O₅(OH)₄·8H₂O	76
Calcite ()*	Calcite	Ca(CO₃)	27770
Dolomite ()*	None	CaMg(CO₃)₂	9895
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	484
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Halite ()*	Rocksalt	NaCl	1398
Hydroglauberite ()*	None	Na₁₀Ca₃(SO₄)₈·6H₂O	16
Hydrohalite ()*	None	NaCl·2H₂O	17
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	341
Inderite ()*	None	MgB₃O₃(OH)₅·5H₂O	13
Inyoite ()*	None	CaB₃O₃(OH)₅·4H₂O	34
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Kurgantaite ()*	Hilgardite	CaSrB₅O₉Cl·H₂O	6
Kurnakovite ()*	None	MgB₃O₃(OH)₅·5H₂O	15
Magnesite ()*	Calcite	Mg(CO₃)	1487
Mirabilite ()*	None	Na₂(SO₄)·10H₂O	223
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Picromerite ()*	Picromerite	K₂Mg(SO₄)₂·6H₂O	44
Pinnoite ()*	None	MgB₂O(OH)₆	13
Syngenite ()*	Syngenite	K₂Ca(SO₄)₂·H₂O	44
Thénardite ()*	None	Na₂(SO₄)	299
Ulexite ()*	None	NaCaB₅O₆(OH)₆·5H₂O	160

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...