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Girnar Complex, Junagadh District (Girnar), Gujarat, Indiai
Regional Level Types
Girnar ComplexComplex
Junagadh District (Girnar)District
GujaratState
IndiaCountry

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Latitude & Longitude (WGS84):
21° 31' 0'' North , 70° 32' 59'' East
Latitude & Longitude (decimal):
21.51667,70.55000
GRN:
N15E47
Type:
Complex
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Mindat Locality ID:
334820
Long-form identifier:
mindat:1:2:334820:1
GUID (UUID V4):
0


Intrusive Complex emplaced into mainly basic Deccan lavas.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Alkali Feldspar'
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Andradite var. Melanite
Formula: Ca3Fe3+2(SiO4)3
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Barkevikite'
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.
ⓘ Titanite
Formula: CaTi(SiO4)O
References:
Czygan, W. 1985. Petrography and geochemistry of foid syenites and related rocks of the Deccan Trap area, India. Indian Mineralogist (Sukheswala Volume), 20-43.
Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Bose, Mihir K. (1973) Petrology and geochemistry of the igneous complex of Mount Girnar, Gujarat, India. Contributions to Mineralogy and Petrology, 39 (3) 247-266 doi:10.1007/bf00383107
Paul, D. K., Potts, P. J., Rex, D. C., & Beckinsale, R. D. (1977). Geochemical and petrogenetic study of the Girnar igneous complex, Deccan volcanic province, India. Geological Society of America Bulletin, 88(2), 227-234.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘvar. Melanite9.AD.25Ca3Fe3+2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘSodalite9.FB.10Na4(Si3Al3)O12Cl
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Barkevikite'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ SodaliteNa4(Si3Al3)O12Cl
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Oⓘ Pyroxene GroupADSi2O6
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ SodaliteNa4(Si3Al3)O12Cl
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ SodaliteNa4(Si3Al3)O12Cl
SiSilicon
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ SodaliteNa4(Si3Al3)O12Cl
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Siⓘ Pyroxene GroupADSi2O6
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ SodaliteNa4(Si3Al3)O12Cl
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3

Geochronology

Mineralization age: Paleocene : 63.6 Ma to 56.7 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
   Paleocene
ⓘ Basalt (youngest age)56.7 Ma
ⓘ Basalt (oldest age)63.6 Ma

Other Regions, Features and Areas containing this locality

AsiaContinent
India
Indian PlateTectonic Plate

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References

Subba Rao, S. (1964). The geology of the igneous complex of the Girnar hills, Gujarat State, India. Int. Geol. Congr., 22nd, New Delhi, 1964, Rep: VII, Sect, 7, 42-60.
Rao, S. Subba (1968) The Petrology of the Lamprophyres of the Girnar Hills, Kathiawar, India. Journal of the Geological Society of India, 9 (1). 82-87
Bose, Mihir K. (1971) Petrology of the nepheline syenite of Mount Girnar, India. Lithos, 4 (4) 357-366 doi:10.1016/0024-4937(71)90119-8
Sukheswala, R. N. (1982) Igneous Complex of Mount Girnar, Saurashtra, Gujarat - A Reappraisal. Journal of the Geological Society of India, 23 (1). 13-18
Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4p.90
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