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Usgaon Ultramafic-Gabbro Complex, North Goa District, Goa, Indiai
Regional Level Types
Usgaon Ultramafic-Gabbro ComplexComplex
North Goa DistrictAdministrative District
GoaState
IndiaCountry

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Latitude & Longitude (WGS84):
15° 24' 37'' North , 74° 2' 36'' East
Latitude & Longitude (decimal):
15.41044,74.04343
GeoHash:
G#: tdsxsvku3
GRN:
N11E51
Type:
Complex
Köppen climate type:
Am : Tropical monsoon climate
Mindat Locality ID:
447751
Long-form identifier:
mindat:1:2:447751:1
GUID (UUID V4):
0


An intrusive complex comprising serpentinized dunite and peridotite, metagabbro and troctolite occurs near Usgaon in the central part of Goa. Ultramafic members are chromiferous and host a lenticular body of chromite. The complex occurs as an U-shaped body around the hinge of a NW-SE trending regional synform

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ 'Clinopyroxene Subgroup'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Orthopyroxene Subgroup'
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘTalc9.EC.05Mg3Si4O10(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Chlorite Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Olivine Group'-M2SiO4

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Olivine GroupM2SiO4
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Olivine GroupM2SiO4
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

Indian Plate (India Plate)

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

Jena, B. K. (1985) Usgaon Ultramafic-Gabbro Complex, Goa. Journal of the Geological Society of India, 26 (7). 492-495
Dessai, A. G., Arolkar, D. B., French, D., Viegas, A., Viswanath, T. A. (2009) Petrogenesis of the Bondla layered mafic-ultramafic complex, Usgaon, Goa. Journal of the Geological Society of India, 73 (5) 697-714 doi:10.1007/s12594-009-0054-4
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