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:
Halloran Springs, Halloran Springs District, San Bernardino Co., California, USA

Oldest recorded age at locality: 97
Youngest recorded age at locality: 97

mindat Locality ID: 217147
mindat URL: http://www.mindat.org/loc-217147.html

Tectonic Settings:

Total number of sublocalities beneath "Halloran Springs, Halloran Springs District, San Bernardino Co., California, USA": 27
Total number of bottom-level sublocalities: 27

Number of Child Localities: 27
Child Localities:
Arrowhead Mine (Gold Pin)
C. H. And P. A. Group (C. K. & P. A.; Sunset Group)
Cion Block (Mammoth; Mammoth Group Of Mines)
Diamond G Group
Friday & Saturday Group
Gold Bug Group (Friday And Saturday Group)
Gold Streak Group
Halloran Springs Mine (Halloran Spring Mine; Totec; Toltec)
Holladay Gold Prospect
Hysters Occurrence (Hystera)
Hytens Well Prospect
Last Chance Group
Lucky Belle Group (Lucky Group)
Mammoth Group [2]
Mizpah Group
Robin Lee Prospect (Unnamed Location)
Rocky Point Prospect
Silver King Group
St. Christopher Prospect
Standard Prospect
Unnamed Ag Prospect [18]
Unnamed Au Prospect [227] (Unnamed Mine Shaft)
Unnamed Au Prospect [70]
Unnamed Baryte Prospect [16]
Unnamed Pb-Au-Zn Prospect [1]
Wanderer Mine (Wander; Wonderer)
Whir Prospect

Latitude: 35°23'2"N
Longitude: 115°55'10"W
Decimal Degree (lat, lon): 35.383888888889,-115.91944444444

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.

Baryte	Copper	Corundum	Malachite	None	Not in a structural group	Rocksalt

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: Ag Au Ba C Cl Cu Fe H O S

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Copper Corundum Malachite None Not in a structural group Rocksalt

6 IMA Minerals at location:

Azurite ()*	Baryte ()*	Chlorargyrite ()*	Gold ()*	Hematite ()*
Malachite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	171704	5509
Baryte ()*	Baryte	Ba(SO₄)	1	171720	11547
Chlorargyrite ()*	Rocksalt	AgCl	1	171704	1382
Gold ()*	Copper	Au	2	171697,171722	30554
Hematite ()*	Corundum	Fe₂O₃	1	171722	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	171704	12537

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
	USGS-Rb-Sr-06126	97	97	97	Rb-Sr			whole rock							90677	Unnamed Au Prospect [70], Halloran Springs, Halloran Springs District, San Bernardino Co., California, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...