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:
Nassau Co., Florida, USA

mindat Locality ID: 155446
mindat URL: http://www.mindat.org/loc-155446.html

Tectonic Settings:

Total number of sublocalities beneath "Nassau Co., Florida, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Amelia Island Placer
Georgia-Carolina Brick Company Pit
Humphreys Mining Company - Boulogne Mine
Trenncor Mine
Unnamed Clay Deposit (MRDS - 10192010)
Yulee Deposit

Latitude: 30°38'31"N
Longitude: 81°47'44"W
Decimal Degree (lat, lon): 30.641944444444,-81.795555555556

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.

Clinozoisite	Corundum	Epidote	None	Not in a structural group	Rutile	Staurolite	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 Fe H O Si Ti Zr

Elements from minerals reported directly at this locality:

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

7 IMA Minerals at location:

Epidote ()*	Ilmenite ()*	Kyanite ()*	Rutile ()*	Sillimanite ()*
Staurolite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	200174	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	3	200169,200171,200174	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	200174	1507
Rutile ()*	Rutile	TiO₂	3	200169,200171,200174	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	200174	1516
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	200174	978
Zircon ()*	Zircon	Zr(SiO₄)	3	200169,200171,200174	5251

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...