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:
Clay Co., Florida, USA

Oldest recorded age at locality: 2.6
Youngest recorded age at locality: 0.01

mindat Locality ID: 30922
mindat URL: http://www.mindat.org/loc-30922.html

Tectonic Settings:

Total number of sublocalities beneath "Clay Co., Florida, USA": 26
Total number of bottom-level sublocalities: 24

Number of Child Localities: 17
Child Localities:
Camp Blanding
Clay County Board Of County Commissioners - Old Dine Field Mine
Clay County Board Of County Commissioners - Twin Lakes Mine
Clay County Steam Brick Company Pit
Florida Solite Company - Russell Mine
Foremost Clay Mine (Chalk Hole; J. C. Penny- Gwinn Mine)
Hole No. 19 Clay Prospect
Hole No. 22 Clay Prospect
Hole No. 24 Clay Prospect
Hole No. 33 Clay Prospect
Hole No. 36 Clay Prospect
Hole No. 42 Clay Prospect
Hole No. 53 Clay Prospect
Jacksonville District
Middleburg Clay Pit
Stuart Tract Mine
Trail Ridge District

Latitude: 30°3'37"N
Longitude: 81°51'27"W
Decimal Degree (lat, lon): 30.060277777778,-81.8575

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.

Amorphous	Clinozoisite	Corundum	Epidote	None	Not in a structural group	Quartz	Rutile	Spinel	Staurolite
Topaz	Zircon

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 Ca F Fe H Mg O Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Clinozoisite Corundum Epidote None Not in a structural group Quartz Rutile Spinel Staurolite
Topaz Zircon

13 IMA Minerals at location:

Corundum ()*	Epidote ()*	Ilmenite ()*	Kyanite ()*	Lechatelierite ()*
Magnetite ()*	Quartz ()*	Rutile ()*	Sillimanite ()*	Spinel ()*
Staurolite ()*	Topaz ()*	Zircon ()*

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
Corundum ()*	Corundum	Al₂O₃			1	199581	1797
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	199582	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	2.6	0.01	7	199581,199582,199586,199587,199588,199589,199591	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	2.6	0.01	9	199581,199582,199586,199587,199588,199589,199590,199591,199592	1507
Lechatelierite ()*	Amorphous	SiO₂			1	199568	62
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	199582	14899
Quartz ()*	Quartz	SiO₂			1	199582	61156
Rutile ()*	Rutile	TiO₂	2.6	0.01	9	199581,199582,199586,199587,199588,199589,199590,199591,199592	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	199581	1516
Spinel ()*	Spinel	MgAl₂O₄			1	199581	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			2	199581,199582	978
Topaz ()*	Topaz	Al₂SiO₄F₂			1	199581	1476
Zircon ()*	Zircon	Zr(SiO₄)	2.6	0.01	9	199581,199582,199586,199587,199588,199589,199590,199591,199592	5251

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
	ree-00710	2.6	0.01	Pleistocene											154830	Highland Deposit (Trail Ridge Deposit), Trail Ridge District, Clay Co., Florida, USA	Trail Ridge (Highland Trail Ridge, Starke Trail Ridge)	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...