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:
Portage, Wood Co., Ohio, USA

Oldest recorded age at locality: 931.68
Youngest recorded age at locality: 931.68

mindat Locality ID: 214961
mindat URL: http://www.mindat.org/loc-214961.html

Tectonic Settings:

Total number of sublocalities beneath "Portage, Wood Co., Ohio, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Precision Aggregate Company Quarry
Stoneco Portage Quarry (Maumee Stone Co. Quarry)
Wood County Stone And Construction Co. Quarry

Latitude: 41°19'22"N
Longitude: 83°38'53"W
Decimal Degree (lat, lon): 41.322777777778,-83.648055555556

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	Calcite	Gypsum	None	Sphalerite	Sulphur

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 H Mg O S Sr Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Calcite Gypsum None Sphalerite Sulphur

6 IMA Minerals at location:

Calcite ()*	Celestine ()*	Dolomite ()*	Gypsum ()*	Sphalerite ()*
Sulphur ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	931.68	931.68	1	254400	27770
Celestine ()*	Baryte	Sr(SO₄)	931.68	931.68	3	254399,254400,254401	1252
Dolomite ()*	None	CaMg(CO₃)₂	931.68	931.68	1	254400	9895
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	931.68	931.68	1	254400	6890
Sphalerite ()*	Sphalerite	ZnS	931.68	931.68	1	254400	21482
Sulphur ()*	Sulphur	S	931.68	931.68	1	254400	2045

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-00375	931.68	931.68	931.68	Rb-Sr	minimum age of metamorphic crystallization		biotite							4053	Stoneco Portage Quarry (Maumee Stone Co. Quarry), Portage, Wood Co., Ohio, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...