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:
Midland City, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA

Oldest recorded age at locality: 57.2
Youngest recorded age at locality: 54.4

mindat Locality ID: 193562
mindat URL: http://www.mindat.org/loc-193562.html

Tectonic Settings:

Total number of sublocalities beneath "Midland City, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Irene Gulch
Old Dominion Extension Mine (Denver Group; Cuprite Group; Nevada Group; Stead Group)

Latitude: 33°25'57"N
Longitude: 110°47'39"W
Decimal Degree (lat, lon): 33.4325,-110.79416666667

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.

Apatite	Aragonite	Calcite	Corundum	Descloizite	None	Not in a structural group	Phenakite	Quartz	Rocksalt
Rutile	Scheelite	Sphalerite

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 Cl Fe H Mn Mo O Pb S Si V Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Aragonite Calcite Corundum Descloizite None Not in a structural group Phenakite Quartz Rocksalt
Rutile Scheelite Sphalerite

12 IMA Minerals at location:

Cerussite ()*	Descloizite ()*	Galena ()*	Hematite ()*	Hemimorphite ()*
Pyrolusite ()*	Quartz ()*	Smithsonite ()*	Sphalerite ()*	Vanadinite ()*
Willemite ()*	Wulfenite ()*

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
Cerussite ()*	Aragonite	Pb(CO₃)	57.2	54.4	1	138396	4979
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)	57.2	54.4	2	138395,138396	378
Galena ()*	Rocksalt	PbS	57.2	54.4	1	138396	24243
Hematite ()*	Corundum	Fe₂O₃	57.2	54.4	1	138396	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	57.2	54.4	1	138396	1689
Pyrolusite ()*	Rutile	MnO₂	57.2	54.4	1	138396	3106
Quartz ()*	Quartz	SiO₂	57.2	54.4	1	138396	61156
Smithsonite ()*	Calcite	Zn(CO₃)	57.2	54.4	1	138396	2473
Sphalerite ()*	Sphalerite	ZnS	57.2	54.4	1	138396	21482
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl	57.2	54.4	2	138395,138396	605
Willemite ()*	Phenakite	Zn₂SiO₄	57.2	54.4	1	138396	303
Wulfenite ()*	Scheelite	PbMoO₄	57.2	54.4	1	138395	1655

1 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_00000367	57.2	54.4	55.8±1.4	K-Ar				UAKA-69-10		Yes				24945	Globe-Miami District, Gila Co., Arizona, USA	Globe Quad.	Shafiqullah et al. (1980)		AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...