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:
Shoals, Martin Co., Indiana, USA

mindat Locality ID: 23699
mindat URL: http://www.mindat.org/loc-23699.html

Tectonic Settings:

Total number of sublocalities beneath "Shoals, Martin Co., Indiana, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Gardner Ridge Mine
Johnson-Chenowyth Prospect
U.S. And National Gypsum Co. Mines

Latitude: 38°39'59"N
Longitude: 86°47'30"W
Decimal Degree (lat, lon): 38.666388888889,-86.791666666667

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.

Allophane	Calcite	Clay	Fluorite	Gypsum	Kaolinite	Mica	None	Not in a structural group	Quartz
Smectite-vermiculite

Allophane ()*	Anhydrite ()*	Calcite ()*	Dolomite ()*	Fluorite ()*
Gibbsite ()*	Gypsum ()*	Hydrobasaluminite ()*	Halloysite-10Å ()*	Montmorillonite ()*
Muscovite ()*	Quartz ()*	Siderite ()*

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 C Ca F Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: C Fe O

Structural Groups for minerals in this locality:
Allophane Calcite Clay Fluorite Gypsum Kaolinite Mica None Not in a structural group Quartz
Smectite-vermiculite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	1	214272	470
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	214273	1588
Calcite ()*	Calcite	Ca(CO₃)	1	214273	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	214273	9895
Fluorite ()*	Fluorite	CaF₂	1	214273	9617
Gibbsite ()*	None	Al(OH)₃	1	214272	504
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	214273	6890
Hydrobasaluminite ()*	None	Al₄(SO₄)(OH)₁₀·15H₂O	1	214272	12
Halloysite-10Å ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄·2H₂O	2	214271,214272	62
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	214273	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	214273	17380
Quartz ()*	Quartz	SiO₂	1	214273	61156
Siderite ()*	Calcite	Fe(CO₃)	0		6417

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...