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:
Mildred Peak, Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 145
Youngest recorded age at locality: 29.7

mindat Locality ID: 279102
mindat URL: http://www.mindat.org/loc-279102.html

Tectonic Settings:

Total number of sublocalities beneath "Mildred Peak, Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Jupiter Mine

Latitude: 31°44'1"N
Longitude: 111°35'8"W
Decimal Degree (lat, lon): 31.733611111111,-111.58555555556

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	None	Pyrite

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: C Ca Fe O S

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite None Pyrite

2 IMA Minerals at location:

Calcite ()*	Pyrite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	145	29.7	1	143535	27770
Pyrite ()*	Pyrite	FeS₂	145	29.7	1	143535	39462

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Giersdorf_00000381	30.9	29.7	30.3±0.6	K-Ar	Age reset from probable Jurassic host rock age by a mid-Tertiary thermal event			UAKA-73-70		Yes		Muscovite		35365	Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA	Baboquivari Mountains	Shafiqullah et al. (1980)		AGSD12_201
	Giersdorf_00000382	145	201.3	145-201.3	U-Pb						Yes				35365	Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA	Baboquivari Mountains	Shafiqullah et al. (1980)		AGSD12_201	Age of host rock to dike containing sample UAKA-73-70

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...