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Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

This page kindly sponsored by Brent Lockhart
 

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
Silver1.1.1.2Ag
Semi-metals and non-metals
Arsenic1.3.1.1As
Arsenolamprite1.3.2.1As
Graphite1.3.6.2C
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
Canfieldite2.5.6.2Ag8SnS6
Thalcusite2.5.5.1Tl2Cu3FeS4
AmBnXp, with (m+n):p = 9:8
Mackinawite ?2.7.2.1(Fe,Ni)9S8
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Coloradoite2.8.2.5HgTe
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Pararealgar2.8.21.2As4S4
Pyrrhotite2.8.10.1Fe7S8
Realgar2.8.21.1As4S4
Smythite2.8.10.2(Fe,Ni)3+xS4 (x=0-0.3)
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Kësterite2.9.2.9Cu2ZnSnS4
Picotpaulite2.9.12.2TlFe2S3
Raguinite2.9.9.1TlFeS2
AmBnXp, with (m+n):p = 3:4
Greigite2.10.1.10Fe2+Fe3+2S4
AmBnXp, with (m+n):p = 2:3
Orpiment2.11.1.1As2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Hydroxysulfides and Hydrated Sulfides
Tochilinite2.14.2.1Fe2+5-6(Mg,Fe2+)5S6(OH)10
Group 3 - SULFOSALTS
ø > 4
Pearceite3.1.8.1[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
ø = 4
Enargite3.2.1.1Cu3AsS4
Fangite3.2.9.1Tl3AsS4
Stephanite3.2.4.1Ag5SbS4
3 <ø < 4
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Gratonite3.3.2.1Pb9As4S15
Jordanite (TL)3.3.1.1Pb14(As,Sb)6S23
Lengenbachite (TL)3.3.7.1 Ag4Cu2Pb18As12S39
Tennantite3.3.6.2Cu6[Cu4(Fe,Zn)2]As4S13
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Aktashite3.4.13.2Cu6Hg3As4S12
Bournonite3.4.3.2PbCuSbS3
Erniggliite (TL)3.4.18.1Tl2SnAs2S6
Marrite (TL)3.4.6.1AgPbAsS3
Nowackiite (TL)3.4.13.1Cu6Zn3As4S12
Proustite3.4.1.1Ag3AsS3
Pyrargyrite3.4.1.2Ag3SbS3
Routhierite3.4.11.1Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6
Seligmannite (TL)3.4.3.1PbCuAsS3
Stalderite (TL)3.4.11.2Tl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6
Xanthoconite3.4.2.1Ag3AsS3
2.5 < ø < 3
Dufrénoysite (TL)3.5.9.3Pb2As2S5
Hatchite (TL)3.5.8.2AgTlPbAs2S5
Imhofite (TL)3.5.11.1Tl5.8As15.4S26
Wallisite (TL)3.5.8.1(Cu,Ag)TlPbAs2S5
2 < ø < 2.49
Baumhauerite (TL)3.6.13.1Pb12As16S36
Liveingite (TL)3.6.17.1Pb9As13S28
Sinnerite (TL)3.6.14.1Cu6As4S9
ø = 2
Dervillite3.7.17.1Ag2AsS2
Edenharterite (TL)3.7.10.2PbTlAs3S6
Lorándite3.7.6.1TlAsS2
Rathite (TL)3.7.12.1Ag2Pb12-xTlx/2As18+x/2S40
Sartorite (TL)3.7.8.1PbAs2S4
Smithite (TL)3.7.3.1AgAsS2
Trechmannite (TL)3.7.2.1AgAsS2
Weissbergite3.7.7.1TlSbS2
1 < ø < 2
Bernardite3.8.14.2TlAs5S8
Chabournéite3.8.12.1Tl4Pb2(Sb,As)20S34
Dalnegroite (TL)3.8.12.2(Tl4Pb2)(As12Sb8)S34
Hutchinsonite (TL)3.8.6.1TlPbAs5S9
Parapierrotite3.8.14.1TlSb5S8
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Arsenolite4.3.9.1As2O3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Miscellaneous
Nolanite4.6.7.1(V3+,Fe3+,Fe2+,Ti)10O14(OH)2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Coulsonite7.2.4.2Fe2+V3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
AB8X16
Coronadite7.9.1.4Pb(Mn4+6Mn3+2)O16
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB2O6
Brannerite8.3.4.1(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Sylvite9.1.1.2KCl
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Hydrocerussite16a.2.2.1Pb3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Hydrozincite16a.4.1.1Zn5(CO3)2(OH)6
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Bianchite29.6.8.2(Zn,Fe)SO4 · 6H2O
Epsomite29.6.11.1MgSO4 · 7H2O
Hexahydrite29.6.8.1MgSO4 · 6H2O
Group 37 - ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
Miscellaneous
Schultenite37.1.2.1Pb(HAsO4)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB(XO4)·xH2O
Struvite-(K) (TL)40.1.1.2KMg(PO4)·6H2O
AB2(XO4)2·xH2O, containing (UO2)2+
Metanováčekite40.2a.10.2Mg(UO2)2(AsO4)2 · 8H2O
A3(XO4)2·xH2O
Hörnesite40.3.6.7Mg3(AsO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Mimetite41.8.4.2Pb5(AsO4)3Cl
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Gorceixite42.7.3.2BaAl3(PO4)(PO3OH)(OH)6
Goyazite42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4(U4+,Th)(SiO4)1-x(OH)4x
'Thorogummite'51.5.2.5(Th,U)(SiO4)1-x(OH)4x
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
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
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
'Uvite' ?61.3.1.3Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Baileychlore71.4.1.6(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8
Rectorite71.4.2.7(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
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)
Hyalophane (TL)76.1.1.3(K,Ba)[Al(Si,Al)Si2O8]
Unclassified Minerals
'Apatite'-Ca5(PO4)3X
Aragonite-CaCO3
Argentobaumhauerite (TL)-Ag1.5Pb22As33.5S72
Argentodufrénoysite (TL)-Ag3Pb26As35S80
Argentoliveingite (TL)-AgxPb40-2xAs48+xS112
'Arsenic Sulphide Glass No. 1'-AsS3 (approximately)
'Biotite'-
Brandholzite ?-Mg[Sb(OH)6]2 · 6H2O
'Cadmoxite' ? (FRL)-
Canfieldite
var: Tellurian Canfieldite
-Ag8(Sn,Ge)(S,Te)6
Debattistiite (TL)-Ag9Hg0.5As6S12Te2
Eckerite (TL)-Ag2CuAsS3
Enneasartorite (TL)-Tl6Pb32As70S140
Ferrostalderite (TL)-CuFe2TlAs2S6
Gabrielite (TL)-Tl6Ag3Cu6(As,Sb)9S21
'Gorceixite-Goyazite Series'-
Hendekasartorite (TL)-Tl2Pb48As82S172
Heptasartorite (TL)-Tl7Pb22As55S108
Incomsartorite (TL)-Tl6Pb144As246S516
Jentschite (TL)-TlPbAs2SbS6
'K Feldspar'-KAlSi3O8
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4
Marumoite (TL)-Pb32As40S92
Muscovite
var: Barian Muscovite
-(K,Ba)(Al,Mg)2(AlSi3O10)(OH)2
var: Fuchsite-K(Al,Cr)3Si3O10(OH)2
Philrothite (TL)-TlAs3S5
Quadratite (TL)-Ag(Cd,Pb)AsS3
Raberite (TL)-Tl5Ag4As6SbS15
Ralphcannonite (TL)-AgZn2TlAs2S6
Richardsollyite (TL)-TlPbAsS3
'Scapolite'-
Sicherite (TL)-TlAg2(As,Sb)3S6
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
Spaltiite (TL)-Tl2Cu2As2S5
Tennantite
var: Binnite (of Des Cloizeaux)
-Cu6[Cu4(Fe,Zn)2]As4S13
Xenotime-(Y) ?-Y(PO4)

References

Guisca (1930) Schweiz. min. Mitt.: 10: 152

Bader (1934), Schweiz. min. Mitt.: 14: 319.

Niggli, Koenigsberger, and Parker (1940): 1: 251.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 834.

Graeser, St. (1965): Die Mineralfunde im Dolomit des Binnatales. Schweiz. Miner. Petrogr. Mitt., 45, 597-795 (in German).

Mineralogical Record (1977): 8(4): 272-286.

Rocks & Minerals: 64: 9.

Laroussi, A., Moëlo, Y., Ohnenstetter, D., Ginderow, D. (1989): Argent et thallium dans les sulfosels de la série de la sartorite (Gisement de Lengenbach, vallée de Binn, Suisse). Comptes Rendus de l'Académie des Sciences, Série II, 308, 927-933.

Preite, D., Tabacchi C. (1989): I minerali di Lengenbach in Valle di Binn (CH). Rivista Mineralogica Italiana, 12(3), 139-150.

Graeser, S. & Guggenheim, R. (1990): Brannerite from Lengenbach, Binntal (Switzerland). Schweizerische mineralogische und petrographische Mitteilungen 70, 325-331.

Graeser, S., Schwander, H., Wulf, R., Edenharter, A. (1992): Erniggliite (Tl2 SnAs2 S6), a new mineral from Lengenbach, Binntal (Switzerland): description and crystal structure determination based on data from synchrotron radiation. Schweiz. Mineral. Petrogr. Mitt., 72: 293-305.

Hofmann, B. A. (1994): Formation of a sulfide melt during Alpine metamorphism of the Lengenbach polymetallic sulfide mineralization, Binntal, Switzerland. Mineral. Deposita, 29, 439-42.

Hofmann, B. & Knill, M. D. (1996): Neue Erkenntnisse über die Entstehung der Minerallagerstätte Lengenbach im Binntal (VS). Schweizer Strahler 11 (XXXI) (2), 68-77.

Hofmann, B. A. & Knill, M. D. (1996): Geochemistry and genesis of the Lengenbach Pb-Zn-As-Tl-Ba-mineralisation, Binn Valley, Switzerland. Mineral. Deposita, 31, 319-39.

Knill, M. (1996): The Pb-Zn-As-Tl-Ba-deposit at Lengenbach, Binn Valley, Switzerland. - Beiträge zur Geologie der Schweiz, Geotechnische Serie 90; Hrsg.: Schweizerische Geotechnische Kommission, 74 pp.

Cannon, R. (2000): Bibliographie zur Mineralogie und Geologie der Grube Lengenbach im Binntal / Wallis (Schweiz). Jahrb. Naturhist. Mus. Bern, 13, 63-90. [http://www.lengenbach.com/include/LengenbachBibliography.pdf]

Huff, R. C.; Huff, R. G.; Vajdak, J. (2000): Gratonite, an unexpected contribution to the sulfosalt mineralogy of Lengenbach. Rocks and Minerals, 75 (3), 174-175.

Guastoni A., Merlini M., De Battisti L. (2004): Hutchinsonite ricca in antimonio di Lengenbach (Valle di Binn, Svizzera). Riv. Miner. Ital., 3, 167.

Lapis (2004) 29 (6).

Guastoni A., De Battisti L. (2005): Eccezionale ritrovamento di ernigglite a Lengenbach, Valle di Binn, Svizzera. Riv. Mineral. Ital., 29 (1), 54-55.

Guastoni, A., & De Battisti, L. (2006): Thalcusite. Un altro minerale di tallio scoperto a Lengenbach, Valle di Binn, Svizzera. Rivista Mineralogica Italiana, 30 (1), 54-55.

Graeser, S., Cannon, R., Drechsler, E., Raber, T. and Roth, P., Eds. (2008): Faszination Lengenbach. Abbau – Forschung – Mineralien 1958-2008. Chr. Weise Verlag, Munich, 192 pp. (in German)

Guastoni, A., De Battisti, L. (2009): Pearceite. Primo ritrovamento a Lengenbach, Valle di Binn, Svizzera. Rivista Mineralogica Italiana, 33 (3), 202-203.

Gabriel, W. (2009): Oberflächenveränderungen an grau-schwarzen Sulfosalzen aus der Lengenbach-Grube. Schweizer Strahler, 43 (3), 12-13.

Gabriel, W. (2010): Pustelartige Gebilde im Dolomit des Lengenbachs. Schweizer Strahler, 44 (2), 32-33.

Graeser, S. (2011): Die Wurtzite vom Lengenbach - Polymorphie und Polytypie. Schweizer Strahler 45, 16-24. [-2H and -4H polytypes]

Gabriel, W. (2011): Lengenbach: Sulfosalz-Mineralien mit sichtbaren Veränderungen an der Kristall-Oberfläche. Schweizer Strahler, 45 (2), 23-25.

Gabriel, W. (2011): Lengenbach: Beobachtungen und EDS-Untersuchungen an Wurtziten vom Typ 2H. Schweizer Strahler, 45 (3), 10-11.

Preite, D., Ciriotti, M., Bonacina, E. (2011): Les minéraux du Lengenbach, vallée de Binn, Valais, Suisse. Le Cahier Des Micromounteurs, No. 2/2011, 14-29.

Raber, T. (2011): Chromhaltige Turmaline aus dem Lengenbach. Schweizer Strahler 45 (4), 2-5.

De Battisti, L., Guastoni, A. and Raber, T. (2011): Dalnegroit, ein neues Thallium-Sulfosalz vom Lengenbach (Binntal/CH). Lapis, 36 (5), 47-48.

Bindi, L., Nestola, F., Guastoni, A., Zorzi, F., Peruzzo, L., Raber, T. (2012): Tellurian canfieldite, Ag8Sn(S,Te)6, from Lengenbach quarry, Binntal, Canton Valais, Switzerland: occurrence, description and crystal structure. Canadian Mineralogist, 50, 111-118.

Cannon, R. & Raber, T. (2012): Neu vom Lengenbach 2011: Eine sensationelle Lengenbachit-Stufe und "klassische" Sulfosalze. Lapis. 37 (1): 19-23.

Müller, F. (2012): Geochemische Untersuchungen an Fluideinschlüssen in Kluftquarzkristallen aus den Metadolomiten des Binntales, Kanton Wallis, Schweiz. Master Thesis, University Basel, Switzerland, 78 pp.

Raber, T. (2013): Pearceit-Polybasit-Mischkristalle. Schweizer Strahler 47 (3), 31-32 (in German and French).

Raber, T. & Roth, P. (2014): Tellur-reicher Canfieldit. Schweizer Strahler 48 (1), 34-35.

Cannon, R. (2014): Bournonit. Schweizer Strahler 48 (3), 16-17.

Raber, T. and Roth, P. (2014): Weissbergit, ein Thallium-Antimon-Sulfosalz. Schweizer Strahler, 48 (4), 18-19.

Raber, T. (2014): Mineraliensammeln am Lengenbach. Pp. 151-180 in Gorsatt, A. (Ed.) (2014): Die besten Seiten des Binntals. Mineraliensuche - Alpenblumen - Ortsgeschichten. KristalloGrafik Verlag, Achberg, Deutschland, 344 pp.

Roth, P., Raber, T., Drechsler, E. & Cannon, R. (2014): The Lengenbach quarry, Binn Valley, Switzerland. Mineralogical Record 45, 157-196.

Hettmann, K., Kreissig, K., Rehkämper, M., Wenzel, T., Mertz-Kraus, R. and Markl, G. (2014): Thallium geochemistry in the metamorphic Lengenbach sulfide deposit, Switzerland: thallium-isotope fractionation in a sulfide melt. Am. Mineral. 99, 793-803.

Meisser, N. & Raber, T. (2015): Metanováčekit. Schweizer Strahler 49 (1), 29-30.

Drechsler, E. (2015): Raberit und Philrothit, zwei neue Mineralarten. Schweizer Strahler 49 (2), 34-35.

Roth, P. & de Battisti, L. (2015): Dervillit - ein altes mineralogisches Rätsel wird gelöst. Schweizer Strahler 49 (3), 29-30.

Roth, P. (2015): Picotpaulit - eine weitere Thallium-haltige Seltenheit. Schweizer Strahler, 49 (4), 30-31.

Bindi, L., Nestola, F., Graeser, S., Tropper, P., Raber, T. (2015): Eckerite, Ag2CuAsS3, a new Cu-bearing sulfosalt from Lengenbach quarry, Binn valley, Switzerland: description and crystal structure. Mineralogical Magazine, 79, 687-694.

Bindi, L., Biagioni, C., Raber, T., Roth, P., Nestola, F. (2015): Ralphcannonite, AgZn2TlAs2S6, a new mineral of the routhierite isotypic series from Lengenbach, Binn Valley, Switzerland. Mineralogical Magazine, 79, 1089-1098.

Biagioni, C., Bindi, L., Nestola, F., Cannon, R., Roth, P., Raber, T. (2016) Ferrostalderite, CuFe2TlAs2S6, a new mineral from Lengenbach, Switzerland: occurrence, crystal structure, and emphasis on the role of iron in sulfosalts. Mineralogical Magazine: 80: 175-186.

Raber, T. (2016): Parapierrotit. Schweizer Strahler 50 (1), 24-25.

Roth, P. (2016): Zwillinge seltener Lengenbach-Mineralien. Schweizer Strahler 50(2), 28-29 (in German and French).

Topa, D. & Makovicky, E. (2016): Argentobaumhauerite: name, chemistry, crystal structure, comparison with baumhauerite, and position in the Lengenbach mineralization sequence. Mineralogical Magazine, 80, 819-840.

Raber, T. (2016): Argentobaumhauerit. Schweizer Strahler 50 (3), 20-29.

External Links

http://binn.strahlen.org/ ("All localities for minerals in the Binntal with detailed description")

http://www.lengenbach.com/ (Dormant, non-official website of the quarry)

http://fglb.clubdesk.ch/clubdesk/www (Official website of the Research Community Lengenbach (FGL, "Forschungsgemeinschaft Lengenbach"))

http://www.nmbe.ch/node/343 (List of publications on Lengenbach, based on Cannon (2000))

http://www.strahlen.org/vp/ch/lengenbach/binnliterature.xls (List of publications on the Binn valley)

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