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The taramite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 1.5 apfu < C(Al+Fe3++2Ti).

Taramite is defined with

A position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
Greenish gray
Specific Gravity:
3.21 (Calculated)
Crystal System:
Named for the group type locality, Walitarama, Mariupol, Ukraine.

Taramite was originally defined with Fe2+>Mg and Al=Fe3+= 1 apfu in the idealized formula. This definition remained constant through the 1978 and 1997 amphibole nomenclature reports. From 2012, taramite has been defined as the Mg and Al dominant member of the taramite group.
Taramite is defined as a taramite-group member with Na>K in the A position, Mg>Fe2+ and Al>Fe3+ in the C position. Taramite has been redefined in the 2012 Amphibole nomenclature in that:

1) The formula is changed from Na(NaCa)(Mg3AlFe3+)(Al2Si6O22)(OH)2 to Na(NaCa)(Mg3Al2)(Al2Si6O22)(OH)2. Consequently all pre-2012 literature references to taramite should be checked to verify that Al>Fe3+ in the C position. If Fe3+>Al in the C position the material will be ferri-taramite.

2) The taramite group is in the 2012 nomenclature defined with C(Al+Fe3++2Ti)>1,5 apfu, whereas the pre-2012 definition was used the T position, i.e 5,5 < Si < 6,5 apfu. This redefinition does not change the formula, but some amphiboles qualifying as taramite pre-2012 will now be katophorite or ferri-katophorite. Since the content of the C3+ position was not part of the pre-2012 definition, it was often omitted in the presentation of data.

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Classification of TaramiteHide

IMA status notes:
Renamed by the IMA
Approval history:
Renamed by IMA: 2012

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup

16 : Silicates Containing Aluminum and other Metals
11 : Aluminosilicates of Ca and Mg with or without alkalis

Physical Properties of TaramiteHide

Greenish gray
{110} good
3.21 g/cm3 (Calculated)

Optical Data of TaramiteHide

Biaxial (-)
RI values:
nα = 1.654 nβ = 1.666 nγ = 1.671
Measured: 74 (1)° , Calculated: 65°
Max Birefringence:
δ = 0.017
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of TaramiteHide


The taramite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 1.5 apfu < C(Al+Fe3++2Ti).

Taramite is defined with

A position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
IMA Formula:

Crystallography of TaramiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 9.7899 Å, b = 17.8991 Å, c = 5.3192 Å
β = 104.9°
a:b:c = 0.547 : 1 : 0.297
Unit Cell V:
900.75 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
8.381 Å(92)
3.374 Å(56)
3.104 Å(69)
2.934 Å(41)
2.697 Å(100)
2.580 Å(53)
2.552 Å(60)
2.325 Å(41)

Type Occurrence of TaramiteHide

Synonyms of TaramiteHide

Other Language Names for TaramiteHide

Simplified Chinese:绿铁闪石

Relationship of Taramite to other SpeciesHide

Other Members of this group:
Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
Potassic-ferro-ferri-taramiteK(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m
Potassic-ferro-taramiteK{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2Mon. 2/m : B2/m

Related Minerals - Nickel-Strunz GroupingHide

9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Clino-holmquistite Root Name Group◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.05Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2Mon. 2/m : B2/m
9.DE.10Ferro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10Parvo-manganotremolite◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻{Ca2}{Mg5}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2Mon. 2/m : P2/m
9.DE.15Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Potassic-magnesio-hastingsiteKCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-pargasiteKCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasite{Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferri-kaersutiteNaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2Mon. 2/m : B2/m
9.DE.15Vanadio-pargasiteNaCa2(Mg3+4V)(Al2Si6)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-winchite ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
9.DE.20Ferro-katophorite{Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m
9.DE.20Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-ghoseite◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/m
9.DE.20Ferri-winchite◻(NaCa)(Mg4Fe3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.20Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.25Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25EckermanniteNaNa2(Mg4Al}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-mangani-leakeite[(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25NybøiteNaNa2(Mg3Al2)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Clino-ferro-ferri-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-ferri-leakeite[K][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m
9.DE.25Mangani-dellaventuraiteNaNa2(MgMn3+2Ti4+Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Potassic-arfvedsonite[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangani-obertiiteNaNa2(Mg3Mn3+Ti4+)Si8O22O2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-fluoro-arfvedsonite[(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2]Mon. 2/m : B2/m
9.DE.25Ferro-ferri-pedrizite[Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-arfvedsonite[K][Na2][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-pedriziteNaLi2(Fe2+2Al2Li)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-pedriziteNa(Li2)(Fe2+2Al2Li)[Si8O22]F2Mon. 2/m : B2/m
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe2+3Fe3+Ti)Si8O22O2Mon. 2/m : B2/m
9.DE.25Ferri-obertiiteNaNa2(Mg3Fe3+Ti)Si8O22O2Mon. 2/m : B2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

66.1.3b.1Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m
66.1.3b.9Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
66.1.3b.11Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.11.1MadisoniteCa2Mg2Al2Si3O13 or near
16.11.4Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
16.11.5ClintoniteCaAlMg2(SiAl3O10)(OH)2Mon. 2/m : B2/m
16.11.6JuaniteCa10Mg4Al2Si11O39 · 4H2O or near
16.11.8TacharaniteCa12Al2Si18O33 (OH)36Mon.
16.11.13PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
16.11.14Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
16.11.15Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon.
16.11.15Magnesiosadanagaite{Na}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon. 2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for TaramiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hawthorne, F.C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist: 44: 1-21.
Oberti, R., Boiocchi, M., Smith, D.C., Medenbach, O. (2007) Alumotaramite, alumino-magnesiotaramite, and fluoro-alumino-magnesiotaramite: Mineral data and crystal chemistry. American Mineralogist: 92: 1428-1435.
Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for TaramiteHide

Localities for TaramiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Northern Territory
    • Central Desert Region
      • Alcoota Station
Currie, K.L., Knutson, J., Temby, P.A. (1992) The Mud Tank carbonatite complex, central Australia - an example of metasomatism at mid-crustal levels. Contributions to Mineralogy and Petrology, Vol. 109 (3), pp.326-339.
  • Bahia
    • Itaju do Colônia
Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
  • Minas Gerais
  • Ontario
    • Kenora District
      • Ring of Fire
        • BMA527861 Area
Laarman,J.E. 2014. A DETAILED METALLOGENIC STUDY OF THE MCFAULDS LAKE CHROMITE DEPOSITS, NORTHERN ONTARIO , PhD Thesis, University of Western Ontario, London, Ontario, Canada
  • Jiangsu
    • Lianyungang
      • Donghai Co.
Oberti, R., Boiocchi, M., and Smith, D.C. (2003): Mineralogical Magazine 67(4), 769-782.
  • Villa Clara Province
Maresch, W. V., Grevel, C., Stanek, K. P., Schertl, H. P., & Carpenter, M. A. (2012). Multiple growth mechanisms of jadeite in Cuban metabasite. European Journal of Mineralogy, 24(2), 217-235.
Dominican Republic
  • María Trinidad Sánchez Province
    • Río San Juan
Krebs, M., Maresch, W. V., Schertl, H. P., Münker, C., Baumann, A., Draper, G., ... & Trapp, E. (2008). The dynamics of intra-oceanic subduction zones: a direct comparison between fossil petrological evidence (Rio San Juan Complex, Dominican Republic) and numerical simulation. Lithos, 103(1-2), 106-137.
  • East Macedonia and Thrace
    • Rhodope
      • Arriana
Mposkos, E., & Perraki, M. (2012). Preiswerkite, Ca-(Mg, Fe)-paragonite and Ca-“ephesite” in metadiorite from the HP Kechros Metamorphic Complex in Eastern Rhodope, NE Greece. Geochemistry, Mineralogy and Petrology Sofia 49, 33-48.
  • Kujalleq
    • Igaliku Complex
Schönenberger, J., & Markl, G. (2008). The magmatic and fluid evolution of the Motzfeldt intrusion in South Greenland: insights into the formation of Agpaitic and Miaskitic rocks. Journal of Petrology, 49(9), 1549-1577.
  • Andhra Pradesh
    • Coastal Andhra Region
      • Prakasam District
Madhavan, V., & Leelanandam, C. (1988). Petrology of the Elchuru alkaline pluton, Prakasam District, Andhra Pradesh, India. Journal of the Geological Society of India, 31(6), 535-537. Czygan, W., & Goldenberg, G. (1989). Petrography and geochemistry of the alkaline complexes of Sivamalai, Elchuru and Uppalapadu. India. Mem. Geol. Soc. India, 15, 225-240. Madhavan, V., Mallikharjuna Rao, J., SUBRAHMANYAM K, K. S., & LEELANANDAM, C. (1989). Bedrock geology of the Elchuru alkaline pluton, Prakasam district, Andhra Pradesh. Geol. Soc. India Memoir, 15, 189-205. Madhavan, V., MALLIKHARJUNA, R., Balaram, V., & Kumar, R. (1992). Geochemistry and petrogenesis of lamprophyres and associated dykes from Elchuru, Andhra Pradesh, India. Journal of the Geological Society of India, 40(2), 135-149. Nag, S., Chakravorty, P. S., Smith, T. E., & Huang, C. H. (1984). The petrology and geochemistry of intrusive alkaline rocks of Elchuru, Prakasam District, Andhra Pradesh, India. Geological Journal, 19(1), 57-76. Subba Rao, T. V., Bhaskar Rao, Y. J., Sivaraman, T. V., & Gopalan, K. (1989). Rb-Sr age and petrology of the Elchuru Alkaline Complex: implications to alkaline magmatism in the Eastern Ghat Mobile Belt. Mem. Geol. Soc. India, 15, 207-223. Upadhyay, D., Raith, M. M., Mezger, K., & Hammerschmidt, K. (2006). Mesoproterozoic rift-related alkaline magmatism at Elchuru, Prakasam alkaline province, SE India. Lithos, 89(3-4), 447-477.
New Zealand
  • Canterbury Region
    • Hurunui District
      • Culverden
Mason, B. (1951). The syenite and associated rocks of the Mandamus-Pahau area, North Canterbury, New Zealand. In Transactions of the Royal Society of New Zealand (Vol. 79, pp. 261-275). Shelley, D., Smale, D., & Tulloch, A. J. (1977). Boehmite in syenite from New Zealand. Mineralogical Magazine, 41(319), 398-400. Tulloch, A. J. (1991). Alkaline plutonic and volcanic rocks of the Late Cretaceous Mandamus Igneous Complex, north Canterbury. Weaver, S. D., & Pankhurst, R. J. (1991). A precise Rb‐Sr age for the Mandamus Igneous Complex, North Canterbury, and regional tectonic implications. New Zealand journal of geology and geophysics, 34(3), 341-345.; Mason, B. (1951). The syenite and associated rocks of the Mandamus-Pahau area, North Canterbury, New Zealand. In Transactions of the Royal Society of New Zealand (Vol. 79, pp. 261-275). Shelley, D., Smale, D., & Tulloch, A. J. (1977). Boehmite in syenite from New Zealand. Mineralogical Magazine, 41(319), 398-400. Tulloch, A. J. (1991). Alkaline plutonic and volcanic rocks of the Late Cretaceous Mandamus Igneous Complex, north Canterbury. Weaver, S. D., & Pankhurst, R. J. (1991). A precise Rb‐Sr age for the Mandamus Igneous Complex, North Canterbury, and regional tectonic implications. New Zealand journal of geology and geophysics, 34(3), 341-345.
  • Vestfold og Telemark
    • Larvik
      • Hedrum
        • Lågendalen
Piilonen, P.C., McDonald, A.M., Poirier, G., Rowe, R. & Larsen, A.O. (2012): The mineralogy and crystal chemistry of alkaline pegmatites in the Larvik Plutonic Complex, Oslo rift valley, Norway. Part 1. Magmatic and secondary zircon: implications for petrogenesis from trace-element geochemistry. Mineralogical Magazine. 76, 649-672
  • Vestland
    • Kinn
      • Vågsøy
        • Sørpollen
Ungaretti, L., Smith, D.C. (1981): Crystal-chemistry by x-ray structure refinement and electron microprobe analysis of a series of sodic-calcic to alkali-amphiboles from the Nybö eclogite pod, Norway. Bulletin Société Française de Minéralogie et de Cristallographie. 104: 400–412
    • Stad
      • Selje
        • Liset
Oberti, R., Boiocchi, M., Smith, D.C. & Medenbach, O. (2007): Alumotaramite, alumino-magnesiotaramite, and fluoro-alumino-magnesiotaramite: Mineral data and crystal chemistry. American Mineralogist. 92: 1428-1435; Smith, D.C. (1988): A review of the peculiar mineralogy of the "Norwegian coesite-eclogite province", with crystal-chemical, petrological, geochemical and geodynamical notes and an extensive bibliography. In D.C. Smith, Ed., Eclogites and eclogite-facies rocks, p.1-206, Elsevier, Amsterdam 1988.
        • Nordpollen
Cotkin, S. J. (1997) Igneous and metamorphic petrology of the eclogitic Seljeneset Meta-anorthosite and related jotunites, Western Gneiss Region, Norway. Lithos , 40: 1-30
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