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Rorer Mine, Roanoke (City), Virginia, USAi
Regional Level Types
Rorer MineMine
Roanoke (City)- not defined -
VirginiaState
USACountry

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Latitude & Longitude (WGS84): 37° 16' North , 79° 56' West
Latitude & Longitude (decimal): 37.26667,-79.93333
GeoHash:G#: dnxhj04q4
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate


An iron mine located south of Roanoke.

Regions containing this locality

North America Plate

Plate - 4,950 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Fluorwavellite
Formula: Al3(PO4)2(OH)2F·5H2O
Reference: Kempf, Anthony R., Adams, Paul L., Barwood, Henry., and Nash, Barbara P. (2017) Fluorwavellite - Al3(PO4)2(OH)2F.5H2O,the fluorine analogue of wavellite : American Mineralogist 102(4), 909-915
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Rocks & Min.: 20:6.
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: Rocks & Min.: 20:6; 57:22.

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates
'Wavellite'8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Unclassified Minerals, Rocks, etc.
'Fluorwavellite'-Al3(PO4)2(OH)2F·5H2O
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Unclassified Minerals, Rocks, etc.
Fluorwavellite-Al3(PO4)2(OH)2F·5H2O
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H FluorwavelliteAl3(PO4)2(OH)2F·5H2O
H Limonite(Fe,O,OH,H2O)
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
OOxygen
O FluorwavelliteAl3(PO4)2(OH)2F·5H2O
O Limonite(Fe,O,OH,H2O)
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FFluorine
F FluorwavelliteAl3(PO4)2(OH)2F·5H2O
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
AlAluminium
Al FluorwavelliteAl3(PO4)2(OH)2F·5H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
PPhosphorus
P FluorwavelliteAl3(PO4)2(OH)2F·5H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FeIron
Fe Limonite(Fe,O,OH,H2O)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cambrian
485.4 - 541 Ma



ID: 2907845
Rome Formation

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Rome Formation

Description: Pumpkin Valley Shale and Rome Formation. Pumpkin Valley Shale (Bridge, 1945). Shale, light-greenish-gray to dark-greenish-gray, grayish-brown, and maroon; a few beds of similar colored siltstone; sparse beds of limestone and dolostone. The Pumpkin Valley Shale conformably overlies the Rome Formation. The formation is approximately 350 feet thick. Harris (1964) identified the Pumpkin Valley Shale of Southwest Virginia as a formation within the Conasauga Group; however, because of similar lithologies it is often indistinguishable from the Rome Formation and the two formations commonly are mapped together. Rome Formation (Hayes, 1891). Siltstone, shale, sandstone, dolostone, and limestone. Siltstone and shale, greenish-gray and grayish-red, laminated to thin-bedded. Sandstone, micaceous, locally glauconitic, greenish-gray and reddish-gray, very-fine- to medium-grained, thin-bedded. Dolostone, light- to dark-gray, aphanic to medium-grained, thin-to massive-bedded, with ripple marks and mudcracks. Lime stone, argillaceous, very-light-gray to dark-gray, thin- to medium- bedded. Carbonate rocks range from sparse 1- to 2- feet-thick beds in western Scott County to discontinuous units as much as 50 feet thick which comprise 30 to 40 percent of the formation in western Russell and Washington counties (Evans and Troensegaard, 1991; Bartlett and Webb, 1971). Maximum recorded thickness is 1500 feet in the Clinchport area (Brent, 1963); although this may have included the Pumpkin Valley Shale. A complete thickness has not been determined because the lowermost part of the Rome Formation is normally absent due to faulting.

Comments: Includes Pumpkin Valley Shale where present; Appalachian Plateaus and Valley and Ridge Original map source: Virginia Division of Mineral Resources, 2003, Digital Representation of the 1993 Geologic Map of Virginia, Publication 174, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, scale 1:500,000.

Lithology: Major:{shale}, Minor:{siltstone,sandstone}, Incidental:{dolostone, limestone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Rocks & Minerals: 20:6; 57:22.


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