Regional Report: Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA

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.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA

Aegirine - 1, 3, 2

Aenigmatite - 2

Albite - 1, 2

'Allanite' - 1, 3

Allanite-(Ce) - 2

Analcime - 1, 3, 2

Anatase - 1, 2

Andradite - 2

Anhydrite - 1, 2

Annite - 1

Anorthite - 2

Apatite-(CaF) - 3, 2

'Apophyllite' - 1, 3

Apophyllite-(KF) - 2

Arfvedsonite - 2

Astrophyllite - 1, 2

Augite - 1, 2

Baryte - 2

Bastnäsite-(Ce) - 2

Betafite - 2

Biotite - 1, 2

Britholite-(Ce) - 2

Brookite - 2

Calcite - 3, 2

Cancrinite - 2

Catapleiite - 2

'Chabazite' - 3, 2

'Chalcedony' - 1

'Chlorite Group' - 1, 3, 2

Chrysotile - 2

'Clinopyroxene Subgroup' - 1

Cookeite - 1, 2

Diopside - 2

Edenite - 2

Eggletonite - 1

Epidote - 1, 3, 2

Eudialyte - 2

Fergusonite-(Ce) - 2

Fersmite - 2

Florencite-(Ce) - 2

Fluorite - 1, 2

Gaidonnayite - 1, 2

Galena - 2

Ganophyllite - 2

Gypsum - 2

Helvite - 2

'Heulandite' - 3, 2

'Hornblende' - 2

Ilmenite - 5, 2

Joaquinite-(Ce) - 2

'K Feldspar' - 1

Kaersutite - 2

Kaolinite - 3, 2

Kupletskite - 1, 2

Låvenite - 1, 2

Lazurite - 2

Magnetite - 1, 2

Mesolite - 2

Microcline - 2

Mordenite - 2

Narsarsukite - 1, 2

Natrolite - 1, 3, 2

Nepheline - 1, 3, 2

'Olivine' - 2

Opal - 2

Orthoclase - 2

Parisite-(Ce) - 2

Pectolite - 1, 2

Phlogopite - 2

Prehnite - 2

Pyrite - 1, 3, 2

Pyrolusite - 2

Pyrophanite - 1, 3, 2

Quartz - 1, 2

Riebeckite - 2

Rinkite - 2

Sérandite - 2

Siderite - 1, 2

Sodalite - 2

Sphalerite - 1, 2

Spinel - 2

'Stilbite' - 1, 3, 2

Tetranatrolite - 2

Thaumasite - 2

Thomsonite-Ca - 2

Thorite - 2

Titanite - 1, 3, 2

Vermiculite - 2

Wurtzite - 2

Zircon - 1, 2

90 minerals listed.

Locality Key

1	Big Rock Quarry (3M quarry), Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA
2	Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA
3	Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA

4	Granite Mountain Quarry #2, Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USA
5	Holiday Inn Quarry, Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA

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!

Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 25th Nov 2009 16:49:53