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Trogtal Quarries, Lautenthal, Harz, Lower Saxony, Germany

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Latitude & Longitude (WGS84): 51° 53' 36'' North , 10° 16' 8'' East
Latitude & Longitude (decimal): 51.89334,10.26889
GeoHash:G#: u1pr1wvsd
Locality type:Group of Quarries
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Steinbrüche im Trogtal, Lautenthal, Harz, Niedersachsen, Deutschland


Long abandoned greywacke quarries. An assemblage of rare selenides in dolomite veins was discovered in around 1920 and studied in 1955 by Prof. P. Ramdohr.

Located on the eastern slopes of the Großer Trogtaler Berg (mountain) between little Trog valley ("Kleines Trogtal") and large Trog valley ("Großes Trogtal"), 2 km north of Lautenthal.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


17 valid minerals. 4 (TL) - type locality of valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Reference: Andreas Gerstenberg collection
Bornhardtite (TL)
Formula: Co2+Co3+2Se4
Colour: Pale rose-colored
Reference: Am. Mineral. (1956) 41, 164-165; Neues Jahrb. Mineral., Monatsh. (1955) 133–142; Weiss: "Mineralfundstellen, Deutschland West", 1990
Cerussite
Formula: PbCO3
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Chalcomenite
Formula: CuSeO3 · 2H2O
Reference: Wittern: "Mineralfundorte in Deutschland", 2001
Chalcopyrite
Formula: CuFeS2
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Clausthalite
Formula: PbSe
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Eucairite
Formula: AgCuSe
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Ferroselite
Formula: FeSe2
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990; Frank Keutsch analysis
Freboldite (TL)
Formula: CoSe
Reference: Am. Mineral. (1956) 41, 164-165; Neues Jahrb. Mineral., Monatsh. (1955) 133–142; Weiss: "Mineralfundstellen, Deutschland West", 1990
Gold
Formula: Au
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Hematite
Formula: Fe2O3
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Molybdomenite
Formula: PbSeO3
Reference: Wittern: "Mineralfundorte in Deutschland", 2001
Penroseite
Formula: (Ni,Co,Cu)Se2
Reference: Wittern: "Mineralfundorte in Deutschland", 2001
Selenium
Formula: Se
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Tiemannite
Formula: HgSe
Reference: Weiss: "Mineralfundstellen, Deutschland West", 1990
Trogtalite (TL)
Formula: CoSe2
Colour: Rose-violet
Reference: Am. Mineral. (1956) 41, 164-165; Neues Jahrb. Mineral., Monatsh. (1955) 133–142; Weiss: "Mineralfundstellen, Deutschland West", 1990
Umangite (TL)
Formula: Cu3Se2
Reference: Zeit. Kryst. (1891 19, 265-27; Weiss: "Mineralfundstellen, Deutschland West", 1990

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
'Selenium'1.CC.10Se
Group 2 - Sulphides and Sulfosalts
'Bornhardtite' (TL)2.DA.05Co2+Co3+2Se4
'Chalcopyrite'2.CB.10aCuFeS2
'Clausthalite'2.CD.10PbSe
'Eucairite'2.BA.50AgCuSe
'Ferroselite'2.EB.10aFeSe2
'Freboldite' (TL)2.CC.05CoSe
'Penroseite'2.EB.05a(Ni,Co,Cu)Se2
'Tiemannite'2.CB.05aHgSe
'Trogtalite' (TL)2.EB.05aCoSe2
'Umangite' (TL)2.BA.25Cu3Se2
Group 4 - Oxides and Hydroxides
'Chalcomenite'4.JH.05CuSeO3 · 2H2O
'Hematite'4.CB.05Fe2O3
'Molybdomenite'4.JF.05PbSeO3
Group 5 - Nitrates and Carbonates
'Aragonite'5.AB.15CaCO3
'Cerussite'5.AB.15PbCO3
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Selenium1.3.4.1Se
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Eucairite2.4.6.2AgCuSe
AmBnXp, with (m+n):p = 3:2
Umangite (TL)2.5.1.1Cu3Se2
AmXp, with m:p = 1:1
Clausthalite2.8.1.2PbSe
Freboldite (TL)2.8.11.10CoSe
Tiemannite2.8.2.4HgSe
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 3:4
Bornhardtite (TL)2.10.1.5Co2+Co3+2Se4
AmBnXp, with (m+n):p = 1:2
Ferroselite2.12.2.2FeSe2
Penroseite2.12.1.4(Ni,Co,Cu)Se2
Trogtalite (TL)2.12.1.5CoSe2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Group 34 - SELENITES, TELLURITES AND SULFITES
A(XO3)
Molybdomenite34.1.1.1PbSeO3
A(XO3)·xH2O
Chalcomenite34.2.2.1CuSeO3 · 2H2O
Unclassified Minerals, Rocks, etc.
Aragonite-CaCO3
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H ChalcomeniteCuSeO3 · 2H2O
H Limonite(Fe,O,OH,H2O)
CCarbon
C AragoniteCaCO3
C CerussitePbCO3
OOxygen
O AragoniteCaCO3
O CerussitePbCO3
O ChalcomeniteCuSeO3 · 2H2O
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O MolybdomenitePbSeO3
SSulfur
S ChalcopyriteCuFeS2
CaCalcium
Ca AragoniteCaCO3
FeIron
Fe ChalcopyriteCuFeS2
Fe FerroseliteFeSe2
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
CoCobalt
Co BornhardtiteCo2+Co23+Se4
Co FrebolditeCoSe
Co Penroseite(Ni,Co,Cu)Se2
Co TrogtaliteCoSe2
NiNickel
Ni Penroseite(Ni,Co,Cu)Se2
CuCopper
Cu ChalcomeniteCuSeO3 · 2H2O
Cu ChalcopyriteCuFeS2
Cu EucairiteAgCuSe
Cu Penroseite(Ni,Co,Cu)Se2
Cu UmangiteCu3Se2
SeSelenium
Se BornhardtiteCo2+Co23+Se4
Se ChalcomeniteCuSeO3 · 2H2O
Se ClausthalitePbSe
Se EucairiteAgCuSe
Se FerroseliteFeSe2
Se FrebolditeCoSe
Se MolybdomenitePbSeO3
Se Penroseite(Ni,Co,Cu)Se2
Se SeleniumSe
Se TiemanniteHgSe
Se TrogtaliteCoSe2
Se UmangiteCu3Se2
AgSilver
Ag EucairiteAgCuSe
AuGold
Au GoldAu
HgMercury
Hg TiemanniteHgSe
PbLead
Pb CerussitePbCO3
Pb ClausthalitePbSe
Pb MolybdomenitePbSeO3

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

Carboniferous - Silurian
298.9 - 443.8 Ma



ID: 3191443
Paleozoic sedimentary rocks

Age: Paleozoic (298.9 - 443.8 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]

Early Carboniferous
323.2 - 358.9 Ma



ID: 2618305

Age: Mississippian (323.2 - 358.9 Ma)

Description: marine

Comments: Kulm facies

Lithology: Graywacke, shale and/or slate, plattenkalk, kieselkalk, radiolarite, alum shale

Reference: Toloczyki, M., P. Trurnit, A. Voges, H. Wittekindt, A. Zitzmann. Geological Map of Germany 1:M. Bundesanstalt für Geowissenschaften und Rohstoffe. [94]

Early Carboniferous
323.2 - 358.9 Ma



ID: 3158292
Early Carboniferous meta-sandstone

Age: Mississippian (323.2 - 358.9 Ma)

Description: low grade metamorphic

Lithology: Major:{meta-sandstone}, Minor{schist group,meta-conglomerate,quartzite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Ramdohr, P. (1955): Neues Jahrb. Mineral., Monatsh., 133–142.
- Emser Hefte 1989(3), 72.

External Links



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