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Jabuka Shoal, Split-Dalmatia County, Croatiai
Regional Level Types
Jabuka Shoal- not defined -
Split-Dalmatia CountyCounty
CroatiaCountry

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Latitude & Longitude (WGS84):
43° 6' 6'' North , 15° 26' 21'' East
Latitude & Longitude (decimal):
43.10167,15.43917
GeoHash:
G#: srdvpq6mq
GRN:
N29E09
Nearest Settlements:
PlacePopulationDistance
Primošten1,631 (2016)66.6km
Mindat Locality ID:
206365
Long-form identifier:
mindat:1:2:206365:5
GUID (UUID V4):
0
Name(s) in local language(s):
Pličina Jabuka, Splitsko-dalmatinska županija, Hrvatska


Jabuka Shoal is located approximately 2300 m WNW of Jabuka Islet. The top of the shoal is situated 6 m below sea level.

It is built up of both massive magmatic rock and conglomerate (cobbles and pebbles).

Samples from Jabuka Shoal are mostly medium-grained rocks of hypidiomorphic holocrystalline texture having a massive structure. However, some portions of rock characteristically resemble ophitic texture while other parts rarely contain spherulites, amygdales and fissures, filled with non-oriented needles of prehnite. Their mineral composition comprises clinopyroxenes and plagioclase, with subordinate amphibole (uralite), chlorite and opaque minerals. The most common mafic minerals are clinopyroxenes (pale green and brown monoclinic pyroxene). The first one is slightly zoned and shows weak pale green pleochroism. The distribution of fine-grained opaque minerals marks zoning in the clinopyroxene. Uralitisation altered clinopyroxene and produced secondary green amphibole. In these mineral aggregates chlorite is also present as a product of a later alteration process. The plagioclase commonly displays weak zoning with a more basic core and an acidic rim. Usually plagioclase contains sericite flakes and non-oriented opaque mineral inclusions (poikilitic texture). Also it shows polysynthetic twins. Accessories are opaque mineral(s) and apatite. All of the primary minerals are altered to various degrees.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Chlorite Group'-
ⓘ'Amphibole Supergroup
var. Uralite'		-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'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ⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic 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

Juračić, M., Novosel, A., Tibljaš, D., Balen, D. (2004): Jabuka Shoal, a new location with igneous rocks in the Adriatic Sea. Geologia Croatica, 57/1, 81–85.
De Min, A., Jourdan, F., Marzoli, A., Renne, P.R., Juračić, M. (2009): The tholeiitic magmatism of Jabuka, Vis and Brusnik Islands: a Carnian magmatism in the Adria Plate. Rendiconti online Soc. Geol. Ital., 9, 85-87.
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