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:
Little Penny, Coastal Range, Mendocino Co., California, USA

mindat Locality ID: 230555
mindat URL: http://www.mindat.org/loc-230555.html

Tectonic Settings:

Total number of sublocalities beneath "Little Penny, Coastal Range, Mendocino Co., California, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Redwood Copper Queen Mine
Western Graphite Company Property (Murdoch's "East Of Point Arena" Locality)

Latitude: 38°53'51"N
Longitude: 123°29'54"W
Decimal Degree (lat, lon): 38.8975,-123.49833333333

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.

Chalcopyrite	Copper	Malachite	None	Not in a structural group	Pyrite	Tetrahedrite

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 C Cu Fe H O S Sb

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Copper Malachite None Not in a structural group Pyrite Tetrahedrite

10 IMA Minerals at location:

Azurite ()*	Chalcopyrite ()*	Cuprite ()*	Gold ()*	Graphite ()*
Malachite ()*	Pyrite ()*	Silver ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*

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	163555	5509
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	163555	27198
Cuprite ()*	Not in a structural group	Cu₂O	1	163555	2970
Gold ()*	Copper	Au	1	163555	30554
Graphite ()*	None	C	1	163556	2812
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	163555	12537
Pyrite ()*	Pyrite	FeS₂	1	163555	39462
Silver ()*	Copper	Ag	1	163555	5186
Tenorite ()*	None	CuO	1	163555	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	163555	5317

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...