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:
Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA

Oldest recorded age at locality: 99
Youngest recorded age at locality: 85

mindat Locality ID: 14080
mindat URL: http://www.mindat.org/loc-14080.html

Tectonic Settings:

Total number of sublocalities beneath "Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)
Granite Mountain Quarry #1
Granite Mountain Quarry No. 2
Holiday Inn Quarry

Latitude: 34°41'18"N
Longitude: 92°15'55"W
Decimal Degree (lat, lon): 34.688333333333,-92.265277777778

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.

Aeschynite	Allanite	Alunite	Amorphous	Amphibole	Analcime	Apatite	Apophyllite	Astrophyllite	Baryte
Bastnäsite	Brookite	Burbankite	Calcite	Cancrinite	Cancrinite-sodalite	Catapleiite	Chlorite	Clay	Clinozoisite
Columbite	Corundum	Epidote	Ettringite	Eudialyte	Feldspar	Fluorite	Gaidonnayite	Garnet	Gypsum
Joaquinite	Kaolinite	Mica	Molybdenite	Mordenite	Natrolite	Nickeline	None	Not in a structural group	Parisite
Pectolite	Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Sapphirine	Scheelite	Serpentine
Smectite-vermiculite	Sodalite	Sphalerite	Spinel	Thomsonite	Titanite	Tridymite	Welinite	Wurtzite	Wöhlerite
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 Ba Be C Ca Ce Cl F Fe H K Li Mg Mn Mo Na Nb O P Pb REE S Si Sr Ta Th Ti Y Zn Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Ce F Fe H K Mg Mn Na Nb O P REE Si Th Ti

Structural Groups for minerals in this locality:
Aeschynite Allanite Alunite Amorphous Amphibole Analcime Apatite Apophyllite Astrophyllite Baryte
Bastnäsite Brookite Burbankite Calcite Cancrinite Cancrinite-sodalite Catapleiite Chlorite Clay Clinozoisite
Columbite Corundum Epidote Ettringite Eudialyte Feldspar Fluorite Gaidonnayite Garnet Gypsum
Joaquinite Kaolinite Mica Molybdenite Mordenite Natrolite Nickeline None Not in a structural group Parisite
Pectolite Prehnite Pyrite Pyroxene Quartz Rocksalt Rutile Sapphirine Scheelite Serpentine
Smectite-vermiculite Sodalite Sphalerite Spinel Thomsonite Titanite Tridymite Welinite Wurtzite Wöhlerite
Zircon

91 IMA Minerals at location:

Aegirine ()*	Aenigmatite ()*	Aeschynite-(Y) ()*	Albite ()*	Allanite-(Ce) ()*
Analcime ()*	Anatase ()*	Andradite ()*	Anhydrite ()*	Ankerite ()*
Annite ()*	Anorthite ()*	Arfvedsonite ()*	Astrophyllite ()*	Augite ()*
Barwoodite ()*	Baryte ()*	Bastnäsite-(Ce) ()*	Britholite-(Ce) ()*	Brookite ()*
Burbankite ()*	Calcite ()*	Cancrinite ()*	Catapleiite ()*	Chamosite ()*
Chrysotile ()*	Cookeite ()*	Diopside ()*	Dolomite ()*	Edenite ()*
Eggletonite ()*	Epidote ()*	Eudialyte ()*	Fergusonite-(Ce) ()*	Fersmite ()*
Florencite-(Ce) ()*	Fluorapatite ()*	Fluorapophyllite-(K) ()*	Fluorite ()*	Gaidonnayite ()*
Galena ()*	Ganophyllite ()*	Gypsum ()*	Haüyne ()*	Helvine ()*
Ilmenite ()*	Joaquinite-(Ce) ()*	Kaersutite ()*	Kainosite-(Y) ()*	Kaolinite ()*
Kupletskite ()*	Låvenite ()*	Lazurite ()*	Magnetite ()*	Mesolite ()*
Microcline ()*	Molybdenite ()*	Mordenite ()*	Mosandrite-(Ce) ()*	Narsarsukite ()*
Natrolite ()*	Nepheline ()*	Nontronite ()*	Nosean ()*	Opal ()*
Orthoclase ()*	Parisite-(Ce) ()*	Pectolite ()*	Phlogopite ()*	Polylithionite ()*
Prehnite ()*	Pyrite ()*	Pyrolusite ()*	Pyrophanite ()*	Pyrrhotite ()*
Quartz ()*	Riebeckite ()*	Rinkite-(Ce) ()*	Serandite ()*	Siderite ()*
Sodalite ()*	Sphalerite ()*	Spinel ()*	Thaumasite ()*	Thomsonite-Ca ()*
Thorite ()*	Titanite ()*	Vermiculite ()*	Wurtzite ()*	Zircon ()*
Zircophyllite ()*

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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	99	85	4	150211,150212,150213,150214	1022
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	99	85	1	150211	133
Aeschynite-(Y) ()*	Aeschynite	(Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆	99	85	1	150211	141
Albite ()*	Feldspar	Na(AlSi₃O₈)	99	85	2	150211,150214	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	99	85	1	150211	706
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	99	85	2	150211,150212	1627
Anatase ()*	Not in a structural group	TiO₂	99	85	1	150211	2162
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	99	85	1	150211	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)	99	85	1	150211	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	99	85	1	150211	3092
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	99	85	1	150211	356
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	99	85	1	150211	1036
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	99	85	1	150211	295
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	99	85	1	150211	161
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	99	85	2	150211,150212	2060
Barwoodite ()*	Welinite	Mn²⁺₆(Nb⁵⁺, )₂(SiO₄)₂(O,OH)₆	99	85	2	150211,150212	2
Baryte ()*	Baryte	Ba(SO₄)	99	85	1	150211	11547
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	99	85	0		304
Britholite-(Ce) ()*	Apatite	(Ce,Ca)₅(SiO₄)₃(OH)	99	85	0		115
Brookite ()*	Brookite	TiO₂	99	85	1	150211	700
Burbankite ()*	Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅	99	85	1	150211	52
Calcite ()*	Calcite	Ca(CO₃)	99	85	2	150211,150212	27770
Cancrinite ()*	Cancrinite	(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O	99	85	1	150211	232
Catapleiite ()*	Catapleiite	Na₂Zr(Si₃O₉)·2H₂O	99	85	2	150211,150212	113
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	99	85	1	150211	577
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	99	85	0		951
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	99	85	1	150211	181
Diopside ()*	Pyroxene	CaMgSi₂O₆	99	85	1	150211	4135
Dolomite ()*	None	CaMg(CO₃)₂	99	85	1	150214	9895
Edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂	99	85	0		160
Eggletonite ()*	Clay	(Na,K,Ca)_xMn₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	99	85	1	150211	3
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	99	85	2	150211,150212	8173
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	99	85	1	150211	182
Fergusonite-(Ce) ()*	Scheelite	CeNbO₄·0.3H₂O	99	85	0		16
Fersmite ()*	Columbite	CaNb₂O₆	99	85	1	150211	83
Florencite-(Ce) ()*	Alunite	CeAl₃(PO₄)₂(OH)₆	99	85	0		73
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	99	85	2	150211,150212	2740
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	99	85	0		303
Fluorite ()*	Fluorite	CaF₂	99	85	2	150211,150214	9617
Gaidonnayite ()*	Gaidonnayite	Na₂ZrSi₃O₉·2H₂O	99	85	1	150211	21
Galena ()*	Rocksalt	PbS	99	85	1	150211	24243
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	99	85	0		45
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	99	85	1	150211	6890
Haüyne ()*	Sodalite Cancrinite-sodalite	Na₃Ca(Si₃Al₃)O₁₂(SO₄)	99	85	1	150211	158
Helvine ()*	Sodalite Cancrinite-sodalite	Be₃Mn²⁺₄(SiO₄)₃S	99	85	1	150211	237
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	99	85	2	150211,150214	5433
Joaquinite-(Ce) ()*	Joaquinite	NaBa₂Fe²⁺Ti₂Ce₂(Si₄O₁₂)₂O₂(OH)·H₂O	99	85	0		11
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	99	85	1	150211	179
Kainosite-(Y) ()*	None	Ca₂Y₂(SiO₃)₄(CO₃)·H₂O	99	85	1	150211	99
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	99	85	1	150212	5591
Kupletskite ()*	Astrophyllite	K₂NaMn²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	99	85	2	150211,150214	33
Låvenite ()*	Wöhlerite	(Na,Ca)₄(Mn²⁺,Fe²⁺)₂(Zr,Ti,Nb)₂(Si₂O₇)₂(O,F)₄	99	85	2	150211,150212	58
Lazurite ()*	Cancrinite-sodalite Sodalite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)^1-·H₂O	99	85	1	150211	37
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	99	85	2	150211,150212	14899
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	99	85	1	150211	425
Microcline ()*	Feldspar	K(AlSi₃O₈)	99	85	1	150211	4924
Molybdenite ()*	Molybdenite	MoS₂	99	85	1	150211	5800
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	99	85	0		405
Mosandrite-(Ce) ()*	None	(Ca₃REE)[(H₂O)₂Ca_0.5 _0.5]Ti(Si₂O₇)₂(OH)₂(H₂O)₂	99	85	1	150211	45
Narsarsukite ()*	None	Na₂(Ti,Fe³⁺)Si₄(O,F)₁₁	99	85	1	150211	34
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	99	85	2	150211,150212	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	99	85	2	150211,150212	884
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	99	85	1	150211	471
Nosean ()*	Sodalite Cancrinite-sodalite	Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O	99	85	1	150211	75
Opal ()*	Amorphous	SiO₂·nH₂O	99	85	1	150211	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	99	85	1	150211	2349
Parisite-(Ce) ()*	Parisite	CaCe₂(CO₃)₃F₂	99	85	3	150211,150212,150214	112
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	99	85	1	150211	363
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	99	85	3	150211,150212,150214	2273
Polylithionite ()*	Mica	KLi₂AlSi₄O₁₀F₂	99	85	1	150211	89
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	99	85	0		1898
Pyrite ()*	Pyrite	FeS₂	99	85	2	150211,150212	39462
Pyrolusite ()*	Rutile	MnO₂	99	85	1	150211	3106
Pyrophanite ()*	Corundum	Mn²⁺TiO₃	99	85	2	150211,150212	244
Pyrrhotite ()*	Nickeline	Fe₇S₈	99	85	1	150211	9056
Quartz ()*	Quartz	SiO₂	99	85	1	150211	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	99	85	1	150211	375
Rinkite-(Ce) ()*	None	(Ca₃REE)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂	99	85	0		53
Serandite ()*	Pectolite	NaMn²⁺₂Si₃O₈(OH)	99	85	1	150211	38
Siderite ()*	Calcite	Fe(CO₃)	99	85	2	150211,150214	6417
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	99	85	1	150211	444
Sphalerite ()*	Sphalerite	ZnS	99	85	1	150211	21482
Spinel ()*	Spinel	MgAl₂O₄	99	85	1	150211	1934
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	99	85	1	150211	183
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	99	85	1	150211	452
Thorite ()*	Zircon	Th(SiO₄)	99	85	0		1006
Titanite ()*	Titanite	CaTi(SiO₄)O	89	87	3	150211,150212,150214	4899
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	99	85	1	150211	652
Wurtzite ()*	Wurtzite	ZnS	99	85	1	150211	372
Zircon ()*	Zircon	Zr(SiO₄)	99	85	1	150211	5251
Zircophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F	99	85	1	150211	5

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
AJS265_848-00005	93	85	89±4	K-Ar	biotite		14080	Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA	Granite Mountain	Zartman et al. (1967)	10.2475/ajs.265.10.848	AJS265_848
AJS265_848-00006	99	89	94±5	K-Ar	biotite		14080	Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA	Granite Mountain	Zartman et al. (1967)	10.2475/ajs.265.10.848	AJS265_848
AJS265_848-00007	92	86	89±3	Rb-Sr	biotite		14080	Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA	Granite Mountain	Zartman et al. (1967)	10.2475/ajs.265.10.848	AJS265_848
Bradley_2012_090	89	87	88±1		titanite	Titanite	14080	Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA	Granite Mountain	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL
R100097	Granite Mountain Quarry No. 2, Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA	https://rruff.info/R100097

All locality data graciously provided by mindat.org

All age data...