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:
Rock Island Co., Illinois, USA

mindat Locality ID: 169024
mindat URL: http://www.mindat.org/loc-169024.html

Tectonic Settings:

Total number of sublocalities beneath "Rock Island Co., Illinois, USA": 12
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Allied Stone Plant No. 30 (Allied Stone Quarry & Mill)
Bettendorf Stone Company Quarry
Collinson Brothers Quarry
Cordova Quarry Butler Company
Cordova Quarry Collision Stone Company
Hillside Plt & Quay Midway Stone (Midway Quarry; Hillside Plant & Quarry)
Joslin
Milan Quarry; Inc. (Milan Stone Quarry)
Northeast Moline Quarry
Rock Island City Engineering.
U. S. Army Engineers

Latitude: 41°31'25"N
Longitude: 90°27'5"W
Decimal Degree (lat, lon): 41.523611111111,-90.451388888889

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	Marcasite	None	Pyrite	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 Ca Cu Fe O S Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Marcasite None Pyrite Sphalerite

5 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Marcasite ()*	Pyrite ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	213490	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	213490	27198
Marcasite ()*	Marcasite	FeS₂	1	213490	5674
Pyrite ()*	Pyrite	FeS₂	2	213490,213495	39462
Sphalerite ()*	Sphalerite	ZnS	4	213490,213493,213495,213497	21482

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...