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Margaret D lode (Maggie D lode), Brewster County, Texas, USAi
Regional Level Types
Margaret D lode (Maggie D lode)Lode
Brewster CountyCounty
TexasState
USACountry

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Latitude & Longitude (WGS84):
29° 19' 16'' North , 103° 42' 6'' West
Latitude & Longitude (decimal):
29.32139,-103.70167
GeoHash:
G#: 9tnqb1yc2
GRN:
N20W65
Type:
Lode
Köppen climate type:
BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Study Butte233 (2011)16.6km
Manuel Benavides916 (2014)31.0km
Álamos de San Antonio131 (2013)44.5km
Mindat Locality ID:
41994
Long-form identifier:
mindat:1:2:41994:6
GUID (UUID V4):
0


5 miles west of Terlingua
Deposit: Vein along fracture enlarged by solutioning of limestone.

Development: Mainly worked before 1905.

Geology: Geol.desc: along limestone-clay contact

Rock formation(s): Santa Elena Limestone


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘMercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
ⓘCinnabar2.CD.15aHgS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
ⓘEglestonite3.DD.05[Hg2]2+3OCl3(OH)
ⓘTerlinguaite3.DD.20[Hg3]4+Hg2+Cl2O2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ Eglestonite[Hg2]32+OCl3(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ Eglestonite[Hg2]32+OCl3(OH)
Oⓘ Terlinguaite[Hg3]4+Hg2+Cl2O2
FFluorine
Fⓘ FluoriteCaF2
SSulfur
Sⓘ BaryteBaSO4
Sⓘ CinnabarHgS
ClChlorine
Clⓘ Eglestonite[Hg2]32+OCl3(OH)
Clⓘ Terlinguaite[Hg3]4+Hg2+Cl2O2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ FluoriteCaF2
BaBarium
Baⓘ BaryteBaSO4
HgMercury
Hgⓘ CinnabarHgS
Hgⓘ Eglestonite[Hg2]32+OCl3(OH)
Hgⓘ MercuryHg
Hgⓘ Terlinguaite[Hg3]4+Hg2+Cl2O2

Other Databases

Link to USGS MRDS:10040134

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

EXAMINED BY R.G. YATES AND OTHERS, (1942)-1945
Yates, R.G. and Thompson, G.A., (1959), Geology and Quicksilver Deposits, Terlingua District, Texas: USGS Prof. Paper 312, 114 P.
CHESTER, J.W., (1965), MERCURY IN TEXAS: USBM IC 8252
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