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Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 34° North , 92° West (est.)
Margin of Error:~3km


Ref.: Rocks & Min.: 63:120-121; 64:314; Barwood (1987); http://www.koeln.netsurf.de/~w.steffens/gran.htm A complex intrusion (pluton) of medium- to coarse-grained syenite (nepheline & somewhat porphyritic alkali syenite), that crops out in a belt. The outcrop runs from Benton, Saline Co. to the city limits of Little Rock, Pulaski Co. The older unit is an altered olivine syenite and the younger an analcime nepheline syenite.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Aegirine

Aenigmatite

Aeschynite-(Y)

Albite

Allanite-(Ce)

'Allanite Group'

'Amphibole Supergroup'

Analcime

Anatase

Andradite

Anhydrite

Ankerite

Annite

Anorthite

'Apophyllite'

Arfvedsonite

Astrophyllite

Augite

Baryte

'Bastnäsite'

Bastnäsite-(Ce)

'Biotite'

Britholite-(Ce)

'Britholite Group'

Brookite

Burbankite

Calcite

Cancrinite

Catapleiite

'Chabazite'

Chamosite

'Chlorite Group'

Chrysotile

'Clinopyroxene Subgroup'

Cookeite

Diopside

Dolomite

Edenite

Eggletonite (TL)

Epidote

Eudialyte

'Fergusonite'

Fergusonite-(Ce)

Fersmite

'Florencite'

Florencite-(Ce)

Fluorapatite

Fluorapophyllite-(K)

Fluorite

Gaidonnayite

Galena

Ganophyllite

Gypsum

Haüyne

var: Lazurite

Helvine

'Heulandite'

'Hornblende'

Ilmenite

Joaquinite-(Ce)

'Joaquinite Group'

Kaersutite

Kainosite-(Y)

Kaolinite

'K Feldspar'

Kupletskite

Låvenite

Magnetite

Mesolite

Microcline

Molybdenite

Mordenite

Mosandrite-(Ce)

Narsarsukite

Natrolite

Nepheline

Nontronite

Nosean

'Olivine'

Opal

Orthoclase

'Parisite'

Parisite-(Ce)

Pectolite

Phlogopite

Polylithionite

Prehnite

Pyrite

Pyrochlore Group

'Pyrochlore Supergroup'

'var: Betafite (of Hogarth 1977)'

Pyrolusite

Pyrophanite

'Pyroxene Group'

Pyrrhotite

Quartz

var: Chalcedony

Riebeckite

Rinkite-(Ce)

Sérandite

'Serpentine Subgroup'

Siderite

Sodalite

Sphalerite

Spinel

'Stilbite'

'Synchysite Group'

'Tetranatrolite'

Thaumasite

'Thomsonite'

Thomsonite-Ca

Thorite

Titanite

Vermiculite

Wurtzite

Zircon

Zircophyllite


90 valid minerals. 1 (TL) - type locality of valid minerals.

Localities in this Region


The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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