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:
Biedma Department, Chubut Province, Argentina

mindat Locality ID: 239601
mindat URL: http://www.mindat.org/loc-239601.html

Tectonic Settings:

Total number of sublocalities beneath "Biedma Department, Chubut Province, Argentina": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Arroyo Verde Deposit
Península Valdés

Latitude: 42°19'18"S
Longitude: 64°53'33"W
Decimal Degree (lat, lon): -42.321666666667,-64.8925

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.

Calcite	Copper	Coronadite	Corundum	Fluorite	Gypsum	None	Pyrite	Quartz	Rocksalt
Rutile	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: Au C Ca Cl F Fe H K Mn Na O S Si

Elements from minerals reported directly at this locality: C Ca F Fe Mn O S Si

Structural Groups for minerals in this locality:
Calcite Copper Coronadite Corundum Fluorite Gypsum None Pyrite Quartz Rocksalt
Rutile Spinel

12 IMA Minerals at location:

Cryptomelane ()*	Fluorite ()*	Glauberite ()*	Gold ()*	Gypsum ()*
Halite ()*	Hausmannite ()*	Hematite ()*	Pyrite ()*	Pyrolusite ()*
Quartz ()*	Rhodochrosite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	2277	599
Fluorite ()*	Fluorite	CaF₂	0		9617
Glauberite ()*	None	Na₂Ca(SO₄)₂	2	2279,2280	137
Gold ()*	Copper	Au	1	2277	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	2279,2280	6890
Halite ()*	Rocksalt	NaCl	2	2279,2280	1398
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	2277	350
Hematite ()*	Corundum	Fe₂O₃	1	2277	14640
Pyrite ()*	Pyrite	FeS₂	0		39462
Pyrolusite ()*	Rutile	MnO₂	1	2277	3106
Quartz ()*	Quartz	SiO₂	0		61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	0		1711

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...