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:
Brovard, Rand District, Mineral Co., Nevada, USA

mindat Locality ID: 41577
mindat URL: http://www.mindat.org/loc-41577.html

Tectonic Settings:

Total number of sublocalities beneath "Brovard, Rand District, Mineral Co., Nevada, USA": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 4
Child Localities:
Golden Pen Mine (Gold Pen Mine)
Hidden Treasure Property
Lone Star Group
Randall Property

Latitude: 38°46'57"N
Longitude: 118°23'32"W
Decimal Degree (lat, lon): 38.7825,-118.39222222222

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.

Acanthite	Allophane	Aragonite	Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Epidote	Malachite
Melonite	Molybdenite	None	Polybasite	Pyrite	Quartz	Rocksalt	Scheelite	Tetrahedrite

Acanthite ()*	Alunite ()*	Calaverite ()*	Calcite ()*	Cerussite ()*
Chalcopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*	Epidote ()*	Gold ()*
Hematite ()*	Ilsemannite ()*	Malachite ()*	Molybdenite ()*	Polybasite ()*
Pyrargyrite ()*	Pyrite ()*	Quartz ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*
Wulfenite ()*

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 Al Au C Ca Cl Cu Fe H K Mo O Pb S Sb Si Te

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Allophane Aragonite Calcite Chalcopyrite Clinozoisite Copper Corundum Epidote Malachite
Melonite Molybdenite None Polybasite Pyrite Quartz Rocksalt Scheelite Tetrahedrite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	6	239349,239351,239353,239354,239355,239356	2793
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	2	239349,239355	966
Calaverite ()*	Melonite	AuTe₂	1	239356	361
Calcite ()*	Calcite	Ca(CO₃)	1	239355	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	239355	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	239353,239355	27198
Chlorargyrite ()*	Rocksalt	AgCl	5	239349,239353,239354,239355,239356	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	239355	3531
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	239355	8173
Gold ()*	Copper	Au	6	239349,239352,239353,239354,239355,239356	30554
Hematite ()*	Corundum	Fe₂O₃	1	239355	14640
Ilsemannite ()*	None	Mo₃O₈·nH₂O (?)	1	239350	123
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	239355	12537
Molybdenite ()*	Molybdenite	MoS₂	1	239350	5800
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	1	239355	716
Pyrargyrite ()*	None	Ag₃SbS₃	1	239355	1425
Pyrite ()*	Pyrite	FeS₂	2	239353,239355	39462
Quartz ()*	Quartz	SiO₂	6	239349,239350,239353,239354,239355,239356	61156
Tenorite ()*	None	CuO	1	239355	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	239355	5317
Wulfenite ()*	Scheelite	PbMoO₄	1	239355	1655

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...