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:
Rongma Township, Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China

mindat Locality ID: 261952
mindat URL: http://www.mindat.org/loc-261952.html

Tectonic Settings:

Total number of sublocalities beneath "Rongma Township, Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Blueschist Outcrops
Yibug Caka (Yibu Chaka)

Latitude: 33°0'52"N
Longitude: 86°43'20"E
Decimal Degree (lat, lon): 33.014444444444,86.722222222222

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.

Amphibole	Calcite	Clay	Clinozoisite	Corundum	Epidote	Kaolinite	Mica	None	Quartz
Rocksalt	Rutile	Smectite-vermiculite	Titanite

Calcite ()*	Dolomite ()*	Epidote ()*	Glaucophane ()*	Halite ()*
Ilmenite ()*	Kaolinite ()*	Magnesite ()*	Mirabilite ()*	Montmorillonite ()*
Muscovite ()*	Quartz ()*	Rutile ()*	Thénardite ()*	Titanite ()*

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 C Ca Cl Fe H K Mg Na O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Clinozoisite Corundum Epidote Kaolinite Mica None Quartz
Rocksalt Rutile Smectite-vermiculite Titanite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	43799	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	43799	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	43798	8173
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	1	43798	286
Halite ()*	Rocksalt	NaCl	1	43799	1398
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	43798	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	43799	5591
Magnesite ()*	Calcite	Mg(CO₃)	1	43799	1487
Mirabilite ()*	None	Na₂(SO₄)·10H₂O	1	43799	223
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	43799	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	43798,43799	17380
Quartz ()*	Quartz	SiO₂	1	43798	61156
Rutile ()*	Rutile	TiO₂	1	43798	5614
Thénardite ()*	None	Na₂(SO₄)	1	43799	299
Titanite ()*	Titanite	CaTi(SiO₄)O	1	43798	4899

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...