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:
Darrow, Ascension Parish, Louisiana, USA

mindat Locality ID: 294484
mindat URL: http://www.mindat.org/loc-294484.html

Tectonic Settings:

Total number of sublocalities beneath "Darrow, Ascension Parish, Louisiana, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Darrow Dome (Donaldsonville Dome)

Latitude: 30°8'59"N
Longitude: 90°59'23"W
Decimal Degree (lat, lon): 30.149722222222,-90.989722222222

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.

Boracite	None	Not in a structural group	Quartz

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: B C Ca Cl Mg Mn O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Boracite None Not in a structural group Quartz

5 IMA Minerals at location:

Anhydrite ()*	Boracite ()*	Chambersite ()*	Dolomite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	216406	1588
Boracite ()*	Boracite	Mg₃B₇O₁₃Cl	1	216406	57
Chambersite ()*	Boracite	Mn₃B₇O₁₃Cl	1	216406	11
Dolomite ()*	None	CaMg(CO₃)₂	1	216406	9895
Quartz ()*	Quartz	SiO₂	1	216406	61156

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...