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:
Clark Co., Arkansas, USA

mindat Locality ID: 22838
mindat URL: http://www.mindat.org/loc-22838.html

Tectonic Settings:

Total number of sublocalities beneath "Clark Co., Arkansas, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Caddo Mine
Hill No. 3
Holmes
Humphrey No. 34 Mine (Hill 34 Mine; Mercury Mining Corp. Mine)
Humphrey No. 6 Mine
Mercury District Of Southwest Arkansas

Latitude: 34°10'28"N
Longitude: 93°26'48"W
Decimal Degree (lat, lon): 34.174444444444,-93.446666666667

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	Baryte	Calcite	Clay	Corundum	Diaspore	Kaolinite	None	Pyrite	Pyrochlore
Quartz	Rocksalt	Sphalerite	Stibnite

Baryte ()*	Calcite ()*	Calomel ()*	Cinnabar ()*	Dickite ()*
Eglestonite ()*	Galena ()*	Goethite ()*	Hematite ()*	Mercury ()*
Metacinnabar ()*	Opal ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Stibiconite ()*	Stibnite ()*

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 Ba C Ca Cl Fe H Hg O Pb S Sb Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Baryte Calcite Clay Corundum Diaspore Kaolinite None Pyrite Pyrochlore
Quartz Rocksalt Sphalerite Stibnite

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	2	149643,149648	11547
Calcite ()*	Calcite	Ca(CO₃)	1	149648	27770
Calomel ()*	None	HgCl	3	149643,149646,149648	91
Cinnabar ()*	None	HgS	6	149643,149644,149645,149646,149647,149648	2600
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	4	149643,149646,149647,149648	651
Eglestonite ()*	None	([Hg¹⁺]₂)₃OCl₃(OH)	1	149648	36
Galena ()*	Rocksalt	PbS	1	149648	24243
Goethite ()*	Diaspore	FeO(OH)	3	149643,149646,149648	7437
Hematite ()*	Corundum	Fe₂O₃	1	149648	14640
Mercury ()*	None	Hg	1	149648	397
Metacinnabar ()*	Sphalerite	HgS	3	149643,149646,149648	255
Opal ()*	Amorphous	SiO₂·nH₂O	1	149648	2994
Pyrite ()*	Pyrite	FeS₂	3	149643,149646,149648	39462
Quartz ()*	Quartz	SiO₂	4	149643,149646,149647,149648	61156
Siderite ()*	Calcite	Fe(CO₃)	1	149648	6417
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)	3	149643,149646,149648	446
Stibnite ()*	Stibnite	Sb₂S₃	3	149643,149646,149648	3418

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...