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:
Marathon, Brewster Co., Texas, USA

mindat Locality ID: 44344
mindat URL: http://www.mindat.org/loc-44344.html

Tectonic Settings:

Total number of sublocalities beneath "Marathon, Brewster Co., Texas, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Burdett Prospect
Clark Prospect
Gage Ranch
Unnamed Locality At Pena Blanca Spring (FS-BR-O30-1)
Unnamed Locality Near Roberts Ranch (FS-BR-P27-1)

Latitude: 30°5'34"N
Longitude: 103°10'46"W
Decimal Degree (lat, lon): 30.092777777778,-103.17944444444

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.

Arsenopyrite	Baryte	Djerfisherite	Iron	None	Olivine	Pyroxene	Quartz	Rocksalt	Scacchite
Spinel

Arsenopyrite ()*	Baryte ()*	Caswellsilverite ()*	Daubréelite ()*	Diopside ()*
Djerfisherite ()*	Enstatite ()*	Forsterite ()*	Iron ()*	Niningerite ()*
Oldhamite ()*	Quartz ()*	Taenite ()*	Troilite ()*

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: As Ba Ca Cl Cr Cu Fe K Mg Na Ni O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Baryte Djerfisherite Iron None Olivine Pyroxene Quartz Rocksalt Scacchite
Spinel

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	269739	9052
Baryte ()*	Baryte	Ba(SO₄)	2	269741,269743	11547
Caswellsilverite ()*	Scacchite	NaCrS₂	1	269742	5
Daubréelite ()*	Spinel	FeCr₂S₄	1	269742	157
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	269742	4135
Djerfisherite ()*	Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl	1	269742	60
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	269742	944
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	269742	1188
Iron ()*	Iron	Fe	1	269742	1089
Niningerite ()*	Rocksalt	MgS	1	269742	28
Oldhamite ()*	Rocksalt	CaS	1	269742	58
Quartz ()*	Quartz	SiO₂	3	269739,269740,269744	61156
Taenite ()*	None	(Ni,Fe)	1	269742	703
Troilite ()*	None	FeS	1	269742	1044

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...