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:
Shamrock Mine (Chisholm Copper; Shamrock Manganese), Gold Hill District, Jackson Co., Oregon, USA

mindat Locality ID: 151504
mindat URL: http://www.mindat.org/loc-151504.html

Tectonic Settings:

Total number of sublocalities beneath "Shamrock Mine (Chisholm Copper; Shamrock Manganese), Gold Hill District, Jackson Co., Oregon, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°36'4"N
Longitude: 122°58'32"W
Decimal Degree (lat, lon): 42.601111111111,-122.97555555556

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	Chalcopyrite	Epidote	None	Pentlandite	Quartz	Rhodonite	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: Al C Ca Cu Fe H Mn Ni O S Si

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H Mn Ni O S Si

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Epidote None Pentlandite Quartz Rhodonite Rocksalt

8 IMA Minerals at location:

Alabandite ()*	Calcite ()*	Chalcopyrite ()*	Graphite ()*	Pentlandite ()*
Quartz ()*	Rhodonite ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Alabandite ()*	Rocksalt	MnS	312
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Graphite ()*	None	C	2812
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1512
Quartz ()*	Quartz	SiO₂	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	969
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025

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...