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Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

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Key
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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 50° North , 7° East (est.)
Margin of Error:~5km
Locality type:Complex
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Laacher See Komplex, Eifel, Rheinland-Pfalz, Deutschland


Pyroclastic formation of several eruptive centers in the area of Mendig and in the northern part of Laach Lake with tuffs, ash-flows and pumice layers of phonolitic and trachytic composition. Late stage eruption of gray tuffs (“Graue Laacher-See-Tuffe”) with xenoliths of different origin (fragments of the Devonian basement, quartz veins, mica schist, crystalline schist, metasomatites, subvolcanites, sanidinites, and tephrites).

There are various mineral localities around the lake - pumice quarries, sand pits and road cuts.
The most significant ones are:

- Pumice quarries south of Thelenberg mountain
- Pumice quarries in the area of Wingertsberg mountain
- Pumice quarries in the area “In den Dellen”
- Pumice quarries east of Krufter Ofen mountain
- Fields west of Laach lake, near Glees


Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite

Aegirine-augite

'Aeschynite'

Aeschynite-(Ce)

Albite

'Albite-Anorthite Series'

Allanite-(Ce)

'Allanite Group'

Allanite-(La)

Almandine

Alumohydrocalcite

Alunite

'Amphibole Supergroup'

Andalusite

Andradite

var: Melanite

Anilite

Anorthite

'Anorthoclase'

'Apatite'

Aragonite

Augite

Azurite

Baddeleyite

Baryte

'Biotite'

'var: Rubellan'

Britholite-(Ce)

'Britholite Group'

Bustamite

'Calciobritholite'

'Calciopyrochlore'

Calcite

Cancrinite

Chalcopyrite

Chevkinite-(Ce)

'Chlorite Group'

Christofschäferite-(Ce) (TL)

Chrysocolla

Columbite-(Mn)

Cordierite

Corundum

var: Sapphire

Davyne

Dawsonite

Devilline

Digenite

Diopside

Djurleite

Dolomite

Enstatite

Epidote

'Fergusonite'

Fergusonite-(Ce)

Fergusonite-(Y)

Ferriakasakaite-(La)

Ferriallanite-(La) (TL)

Ferri-katophorite

'Ferri-taramite'

Ferro-ferri-katophorite

Ferrorhodonite

Ferro-richterite

Ferrosilite

Fersmite

Fluorapatite

Fluorbritholite-(Ce)

Fluorcalciobritholite

Fluorite

Fluornatropyrochlore

Forsterite

Gehlenite

Goethite

Götzenite

Grossular

Gypsum

'Halloysite'

Halloysite-7Å

Haüyne

var: Berzeline (of Necker)

Hedenbergite

Hematite

Hercynite

Hiortdahlite

'Hornblende'

Huttonite

Hydroxycalciopyrochlore

Hydroxylapatite

Hydroxymanganopyrochlore (TL)

Hydrozincite

'Hypersthene'

Ilmenite

Jacobsite

Jarosite

Kaersutite

Laachite (TL)

Låvenite

Lepidocrocite

Leucite

Maghemite

Magnesio-hastingsite

Magnesite

Magnetite

Malachite

Marcasite

Meionite

Melanterite

Mendigite (TL)

'Monazite'

Monazite-(Ce)

Montmorillonite

Mullite

Muscovite

Natrojarosite

Natron

Nepheline

Nioboaeschynite-(Ce)

Nöggerathite-(Ce) (TL)

Nosean (TL)

Opal

Oxycalciopyrochlore

Perrierite-(Ce)

Perrierite-(La) (TL)

Phillipsite-Ca

Phillipsite-K

Phlogopite

Polycrase-(Y)

Pseudobrookite

Pyrite

Pyrochlore Group

var: Calciobetafite (of Mazzi & Munno)

Pyrochlore Supergroup

var: Betafite (of Hogarth 1977)

Pyrophanite

'Pyroxene Group'

Pyroxmangite

Pyrrhotite

Quartz

Rhabdophane-(Ce)

Rhodochrosite

Rhodonite

Richterite

Rozenite

Rutile

var: Ilmenorutile

Samarskite-(Y)

Sanidine

Siderite

Sillimanite

Spessartine

Staurolite

Sylvite

Szomolnokite

Tephroite

Thaumasite

Thorianite

Thorite

Titanite

'Tourmaline'

Turkestanite

'Uranpyrochlore (of Hogarth 1977)'

Wöhlerite

Wollastonite

Xenotime-(Y)

Zircon

Zirconolite

'Zirconolite-3O'

'Zirconolite-3T'


138 valid minerals. 8 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Localities in this Region
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Germany

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Münster, S. (1550) Cosmographia, p. 604.
Freherus, M. (1686) Origines Palatinae, Editio Tertia, Heidelbergae.
Nose, C.W. (1790) Orographische Briefe über das Siebengebirge und die benachbarten zum Teil vulkanischen Gegenden beider Ufer des Niederrheins, 2. Teil, Frankfurt/Main.
Nose, C.W. (1808) Mineralogische Studien über die Gebirge am Niederrhein, J.J. Nöggerath, Frankfurt/Main.
Klaproth, M.H. (1815) Chemische Untersuchung des Spinellans, Beiträge zur chemischen Kenntnis der Mineralkörper, Vol. 6, 371-376.
Nöggerath, J. (1822-1826) Das Gebirge in Rheinland-Westfalen (4 Bände), Bonn.
Sandberger, F. (1845) Die Mineralien des Laacher Sees, Neues Jahrbuch für Mineralogie, 140-148.
Nöggerath, J. (1849) Mittheilungen an den Geheimenrath von Leonhard, Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, Schweitzerbart Stuttgart, 538-541.
vom Rath, G. (1861) Über die Krystallform des Bucklandit's (Orthit's) vom Laacher See, Annalen der Physik und Chemie Vol. 113, 281-292.
Wolf, T. (1867) Die Auswürflinge des Laacher Sees, I. Urgesteine, Zeitschrift der Deutschen geologischen Gesellschaft, Vol. 19, 451-492.
vom Rath, G. (1868) Die chemische Zusammensetzung des Laacher Sanidins, Annalen der Physik und Chemie Vol. 135.
Wolf, T. (1868) Die Auswürflinge des Laacher Sees, II. Sanidingesteine, Zeitschrift der Deutschen geologischen Gesellschaft, Vol. 20, 1-78.
vom Rath, G. (1869) Ein neues Mineral von Laach, Amblystegit, Annalen der Physik und Chemie Vol. 138, 529 ff.
Blenke, R. (1879) Der Laacher See und seine vulkanische Umgebung, Strüder Neuwied.
Bruhns, W. (1892) Die Auswürflinge des Laacher Sees in ihren petrographischen und genetischen Beziehungen, Verh. Naturh. Ver., 48, 282-354.
Uhlig, J. (1910) Beitrag zur Kenntnis der Granaten in vulkanischen Gesteinen und Auswürflingen des Niederrheins, Verh. Naturh. Ver. Preuss. Rheinl. etc. 67, 307-403.
Brauns, R. (1922) Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart.
Kalb, G. (1939) Über Minerale und Gesteine der niederrheinischen Vulkangebiete, Decheniana 98 A, 173-183.
Frechen, J. (1947) Vorgänge der Sanidinitbildung im Laacher Seegebiet, Fortschritte der Mineralogie, Vol. 26, 147-166.
Beyer, H. (1969) Tracht und Habitus von Sanidin-Kristallen vom Laacher See.- Der Aufschluss, 20 (5), 127-131.
Frechen, F. (1976) Siebengebirge am Rhein - Laacher Vulkangebiet - Maargebiet der Westeifel, Vulkanologisch-petrographische Exkursionen, Bornträger, Berlin, Stuttgart.
Hentschel, G. (1978) Einige Funde ungewöhnlicher Minerale aus quartären Vulkanvorkommen der Eifel, Mainzer Geowissenschaftliche Mitteilungen. Vol. 7, 151-154.
Hentschel, G. (1980) Neue Mineralfunde aus dem Laacher Vulkangebiet, Mainzer Geowissenschaftliche Mitteilungen Vol. 9, 121-125.
Hentschel, G. (1982) Neue Mineralfunde aus Vulkanvorkommen der Eifel, Mainzer Geowissenschaftliche Mitteilungen Vol. 11, 87-90.
Meyer, W. (1983) Geologischer Wanderführer: Eifel. Franckh'sche Verlangshandlung W. Keller & Co, Stuttgart.
Wörner, G. and Schminke, H.-U. (1984) Mineralogical and Chemical Zonation of the Laacher See Tephra Sequence (East Eifel, W. Germany). Journal of Petrology 25:805-835.
Hentschel, G. (1986) Neue Mineralfunde aus quartären Vulkanvorkommen der Eifel, Mainzer Geowissenschaftliche Mitteilungen Vol. 15, 215-218.
Meyer, W. (1986) Geologie der Eifel, Schweizerbart (Stuttgart).
Hentschel, G. (1987) Die Mineralien der Eifelvulkane, Weise Verlag, München.
Hentschel, G. (1990) Die Minerale in Auswürflingen des Laacher-See–Vulkans, Der Aufschluss, Sonderband 33, 65-105.
Blass, G. (1991) Götzenit als Neufund in einem sanidinitischen Auswürfling des Laacher-See-Vulkans, Mineralien-Welt, Vol. 2 (6), 76-78.
Blass, G. and Schäfer, C. (1993) Über eine ungewöhnliche Paragenese mit Pyrophanit und Hydrozinkit vom Laacher See, Mineralien-Welt, Vol. 4 (1), 14.
Della Ventura, G., Bellatreccia, F., and Williams, C.T. (2000) Zirkonolith with significant REEZrNb(Mn,Fe)O7 from a xenolith of the Laacher See eruptive center, Eifel volcanic region, Germany, Canadian Mineralogist, Vol. 38, 57-65.
Blass, G. and Schäfer, C. (2002) Huttonit- und Xenotim-(Y) – Neufunde aus der Vulkaneifel, Mineralien-Welt, Vol. 13 (3), 32-35.
Blass, G., Graf, H.W., and Kolitsch, U. (2003) Neue Funde aus der Vulkaneifel, Mineralien-Welt, Vol. 14.
Blass, G., Graf, H.W., and Kolitsch, U. (2003) Zirkonolith (CaZrTi2O7) aus der Vulkaneifel: Nachweis drei verschiedener Polytypoide, Mineralien Welt, Vol. 14 (3), 352 ff.
Blass, G., Emmerich, F., Graf, H.W., Schäfer, C., and Tschörtner, J. (2006) Minerale der Eifelvulkane, CD, published by authors.
Blass, G. (2010) Die neuen Mineralienfunde aus der Vulkaneifel, Mineralienwelt, Vol. 05, xx-xx.
Schmitt, A.K., Wetzel, F., Cooper, K. M., Zou, H., and Wörner, G. (2010) Magmatic Longevity of Laacher See Volcano (Eifel, Germany) Indicated by U–Th Dating of Intrusive Carbonatites. Journal of Petrology, 51, 1053-1085.
Wetzel, F., Schmitt, A.K., Kronz, A., and Wörner, G. (2010) In situ 238U-230Th disequilibrium dating of pyrochlore at sub-millennial precision. American Mineralogist, 95, 1353-1356.
Blaß, G. and Kruijen, F. (2012) Die neuen Mineralfunde aus der Vulkaneifel. Mineralien-Welt 23 (5), 38-48 (in German).
Chukanov, N.V., Blass, G., Zubkova, N.V., Pekov, I.V., Pushcharovsky, D.Y., and Prinz, H. (2012) Hydroxymanganopyrochlore, IMA 2012-005. CNMNC Newsletter No. 13, June 2012, page 813; Mineralogical Magazine, 76, 807-817.
Schäfer, C. and Chukanov, N. (2014) Über den Laachit, ein neues, mit Zirkonolith verwandtes Mineral vom Laacher Vulkan, Der Aufschluss, Vol. 65 (4), 228-239.

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