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Hocheifel Volcanic Region, Mayen-Koblenz, Rhineland-Palatinate, Germanyi
Regional Level Types
Hocheifel Volcanic RegionVolcanic Field
Mayen-KoblenzDistrict
Rhineland-PalatinateState
GermanyCountry

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Type:
Volcanic Field
Age:
42 to 24 Ma
Geologic Time:
Paleogene
Dating method:
K-Ar
Reference for age:
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerst
Mindat Locality ID:
359221
Long-form identifier:
mindat:1:2:359221:5
GUID (UUID V4):
0


The region is c. 1400 km² and contains the relicts of c. 300 Paleogene volcanoes (Huckenholz 1983; Jung et al. 2006). It lies between West and East Eifel volcanic fields, with which it overlaps and extends to the NE towards the Siebengebirge. The centres are deeply eroded stocks and plugs, rangingin diameter from a few metres to several hundred meters, which have penetrated folded Devonian sediments; there are some remnants of lava flows.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Detailed Mineral List:

ⓘ 'Alkali Feldspar'
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Clinopyroxene Subgroup'
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Feldspar Group'
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ Haüyne
Formula: Na3Ca(Si3Al3)O12(SO4)
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ Quartz
Formula: SiO2
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.
ⓘ 'Rhombohedral Carbonate'
Formula: (Ca/Mg/Fe/Mn etc)CO3
References:
Huckenholz, H. G. (1973). The origin of fassaitic augite in the alkali basalt suite of the Hocheifel area, Western Germany. Contributions to Mineralogy and Petrology, 40(4), 315-326.
Lippolt, H. J. (1982). K/Ar age determinations and the correlation of Tertiary volcanic activity in Central Europe. Geologisches Jahrbuch. Reihe D. Mineralogie, Petrographie, Geochemie, Lagerstättenkunde, 52D, 113-135.
Huckenholz, H. G. (1983). Tertiary volcanism of the Hocheifel area. In Plateau Uplift (pp. 121-128). Springer, Berlin, Heidelberg.
Huckenholz, H. G., Büchel, G. (1988) Exkursion C 1. Tertiärer Vulkanismus der Hocheifel. Fortschritte der Mineralogie, 66 (2) 43-82
Fekiacova, Z., Mertz, D. F., & Renne, P. (2003, April). Geodynamic setting of the Hocheifel volcanism, western Germany. In EGS-AGU-EUG Joint Assembly. Geophysical Research Abstracts, 5, 10355.
Jung, C., Jung, S., Hoffer, E., & Berndt, J. (2006). Petrogenesis of Tertiary mafic alkaline magmas in the Hocheifel, Germany. Journal of Petrology, 47(8), 1637-1671.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘKaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘHaüyne9.FB.10Na3Ca(Si3Al3)O12(SO4)
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Feldspar Group'-
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Rhombohedral Carbonate'-(Ca/Mg/Fe/Mn etc)CO3

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
CCarbon
Cⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ QuartzSiO2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Naⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mgⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Alⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ QuartzSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
SSulfur
Sⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Caⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
MnManganese
Mnⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FeIron
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3

Geochronology

Mineralization age: Eocene : 44 Ma to 34 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Cenozoic
  Paleogene
   Eocene
ⓘ Amphibole Supergroup (youngest age)34 Ma
ⓘ Feldspar Group (youngest age)34 Ma
ⓘ Amphibole Supergroup (oldest age)44 Ma
ⓘ Feldspar Group (oldest age)44 Ma

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

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