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Dike Lode (Dyke Lode), Keystone District, Pennington Co., South Dakota, USAi
Regional Level Types
Dike Lode (Dyke Lode)Lode
Keystone DistrictMining District
Pennington Co.County
South DakotaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 43° 51' 24'' North , 103° 24' 17'' West
Latitude & Longitude (decimal): 43.85667,-103.40472
GeoHash:G#: 9xy3qzygx
Locality type:Lode
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Granite pegmatite

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


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

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: USGS Prof Paper 247
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
'Amblygonite-Montebrasite Series'
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Beryl
Formula: Be3Al2(Si6O18)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
'Columbite Group'
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
'Feldspar Group'
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
'Feldspar Group var: Perthite'
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Heterosite
Formula: (Fe3+,Mn3+)PO4
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Löllingite
Formula: FeAs2
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Maghagendorfite (TL)
Formula: (□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
Type Locality:
Reference: Moore, Paul Brian and Ito, Jun (1979) Alluaudites, wyllieites, arrojadites" crystal chemistry and nomenclature, Mineralogical Magazine, 43: 227-235.; Moore, Paul Brian and Ito, Jun (1979) Alluaudites, wyllieites, arrojadites" crystal chemistry and nomenclature, Mineralogical Magazine, 43: 227-235.; Moore, Paul Brian and Ito, Jun (1979) Alluaudites, wyllieites, arrojadites" crystal chemistry and nomenclature, Mineralogical Magazine, 43: 227-235.
Microcline
Formula: K(AlSi3O8)
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Quartz var: Rose Quartz
Formula: SiO2
Reference: Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: USGS Prof Paper 247
Sicklerite
Formula: Li1-x(Mn3+xMn2+1-x)PO4
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Spodumene
Formula: LiAlSi2O6
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"; USGS Prof Paper 247
Triphylite
Formula: LiFe2+PO4
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Löllingite'2.EB.15aFeAs2
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
var: Rose Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Heterosite'8.AB.10(Fe3+,Mn3+)PO4
'Maghagendorfite' (TL)8.AC.10(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
Sicklerite8.AB.10Li1-x(Mn3+xMn2+1-x)PO4
Triphylite8.AB.10LiFe2+PO4
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Microcline'9.FA.30K(AlSi3O8)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spodumene9.DA.30LiAlSi2O6
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Amblygonite-Montebrasite Series'-
'Columbite Group'-
'Feldspar Group'-
'var: Perthite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Löllingite2.12.2.9FeAs2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Sicklerite38.1.4.2Li1-x(Mn3+xMn2+1-x)PO4
Triphylite38.1.1.1LiFe2+PO4
(AB)5(XO4)3
Maghagendorfite (TL)38.2.3.4(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
AXO4
Heterosite38.4.1.1(Fe3+,Mn3+)PO4
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 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Amblygonite-Montebrasite Series'-
'Columbite Group'-
'Feldspar Group'-
'var: Perthite'-
Quartz
var: Rose Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H TopazAl2(SiO4)(F,OH)2
LiLithium
Li SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
Li SpodumeneLiAlSi2O6
Li TriphyliteLiFe2+PO4
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AlbiteNa(AlSi3O8)
O BerylBe3Al2(Si6O18)
O Heterosite(Fe3+,Mn3+)PO4
O Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O QuartzSiO2
O Quartz (var: Rose Quartz)SiO2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
O SpodumeneLiAlSi2O6
O TopazAl2(SiO4)(F,OH)2
O TriphyliteLiFe2+PO4
FFluorine
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpodumeneLiAlSi2O6
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si QuartzSiO2
Si Quartz (var: Rose Quartz)SiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpodumeneLiAlSi2O6
Si TopazAl2(SiO4)(F,OH)2
PPhosphorus
P Heterosite(Fe3+,Mn3+)PO4
P Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
P SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
P TriphyliteLiFe2+PO4
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
MnManganese
Mn Heterosite(Fe3+,Mn3+)PO4
Mn Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
Mn SickleriteLi1-x(Mnx3+Mn2+1-x)PO4
FeIron
Fe Heterosite(Fe3+,Mn3+)PO4
Fe LöllingiteFeAs2
Fe Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe TriphyliteLiFe2+PO4
AsArsenic
As LöllingiteFeAs2

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

Paleoproterozoic
1600 - 2500 Ma



ID: 2797795
Metagraywacke

Age: Proterozoic (1600 - 2500 Ma)

Description: Light- to dark-gray, silceous mica schist and impure quartzite. Differentiated where possible into three primary tongues or lenses. (Xgw1, Xgw2, and Xgw3) Thickness from 1,000 ft to over 5,000 ft (305-1,524 m).

Comments: Original map source: Martin, J.E., Sawyer, J.F., Fahrenbach, M.D., Tomhave, D.W., and Schulz, L.D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey, GM 10, scale 1:500,000.

Lithology: Major:{mica schist,quartzite}

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 2472527
Metagraywacke unit 1

Age: Proterozoic (1600 - 2500 Ma)

Description: Lower part of metagraywacke unit Xgw. Lithologically similar to unit Xgw3 but contains higher metamorphic grade minerals such as sillimanite near the Harney Peak Granite. In Hill City and Sheridan Lake areas, unit is largely proximal turbidites having thick Bouma A units. A disconformity is inferred within or at top of unit. Maximum thickness probably about 1,500 m, but unit pinches out or is removed by erosion to the west.

Reference: Redden, J.A., E. DeWitt. Maps Showing Geology, Structure, and Geophysics of the Central Black Hills, South Dakota. U.S. Geological Survey Scientific Investigations Map 2777. [73]

Paleoproterozoic
1600 - 2500 Ma



ID: 3191707
Paleoproterozoic intrusive rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Intrusive igneous 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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Page, Lincoln R. et al, 1953, Pegmatite Investigations 1942-1945 Black Hills, South Dakota U.S. Geological Survey, Reston, Virginia.; USGS Prof Paper 247


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