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Roosters Comb, Lander Co., Nevada, USAi
Regional Level Types
Roosters Comb- not defined -
Lander Co.County
NevadaState
USACountry

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Key
01304270014962672373397.jpg
Rooster Comb as seen from the road from Battle Mountain, Nevada

Roosters Comb, Lander Co., Nevada, USA
01222570014962694121439.jpg
Exploration Shaft, Rooster Comb Locality, Lander County Nevada

Roosters Comb, Lander Co., Nevada, USA
01426750014947183393779.jpg
Rooster Comb as seen from the road from Battle Mountain, Nevada

Roosters Comb, Lander Co., Nevada, USA
03887050014947183398207.jpg
Exploration Shaft, Rooster Comb Locality, Lander County Nevada

Roosters Comb, Lander Co., Nevada, USA
01426750014947183393779.jpg
Rooster Comb as seen from the road from Battle Mountain, Nevada

Roosters Comb, Lander Co., Nevada, USA
03887050014947183398207.jpg
Exploration Shaft, Rooster Comb Locality, Lander County Nevada

Roosters Comb, Lander Co., Nevada, USA
Latitude & Longitude (WGS84):
40° 58' 6'' North , 116° 53' 50'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Battle Mountain3,635 (2011)36.4km


The location is a topaz rhyolite flow emplacement located near the Izzenhood Ranch some 22 miles north of Battle Mountain, Nevada. The rhyolite was prospected from around 1910 to 1950 for tin deposits due to the occurrence of massive cassiterite nodules found in the aluvial deposits in dry creek beds and ravines in and around the rhyolite emplacement.

Some cassiterite bearing veins were found in the rhyolite and several exploration trenches and shafts can be found throughout the area at the base of a ridge named the Rooster's Comb. The topaz rhyolite contains numerous lithophysae that are reported to contain small crystals of quartz, topaz, hematite, psuedobrookite, and chalcedony. The occurrence of these minerals is rare and the author of this locality description has not found any of these minerals after two trips to the locality. Some massive cassiterite can be found in the dumps of the exploration shafts.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Cassiterite
Formula: SnO2
Reference: USGS Bulletin 931-1; Tin Deposits of Northern Lander County Nevada
Pseudobrookite
Formula: Fe2TiO5
Reference: USGS Bulletin 931-1; Tin Deposits of Northern Lander County Nevada
Quartz
Formula: SiO2
Reference: USGS Bulletin 931-1; Tin Deposits of Northern Lander County Nevada
Quartz var: Chalcedony
Formula: SiO2
Reference: USGS Bulletin 931-1; Tin Deposits of Northern Lander County Nevada
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: USGS Bulletin 931-1; Tin Deposits of Northern Lander County Nevada

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Pseudobrookite4.CB.15Fe2TiO5
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 9 - Silicates
Topaz9.AF.35Al2(SiO4)(F,OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 7 - MULTIPLE OXIDES
AB2X5
Pseudobrookite7.7.1.1Fe2TiO5
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Chalcedony-SiO2

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
OOxygen
O TopazAl2(SiO4)(F,OH)2
O PseudobrookiteFe2TiO5
O QuartzSiO2
O CassiteriteSnO2
O Quartz (var: Chalcedony)SiO2
FFluorine
F TopazAl2(SiO4)(F,OH)2
AlAluminium
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si TopazAl2(SiO4)(F,OH)2
Si QuartzSiO2
Si Quartz (var: Chalcedony)SiO2
TiTitanium
Ti PseudobrookiteFe2TiO5
FeIron
Fe PseudobrookiteFe2TiO5
SnTin
Sn CassiteriteSnO2

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

This page 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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