Log In Register

Language:

About Support Us Photos Geology Discussions Search Learn More

Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Our Science Mindat Newsletter [Free Download]Contact Us

Donate to Mindat Sponsor a Page Corporate Sponsorship Sponsored Pages

Learning Center What Is a Mineral?The Most Common Minerals on Earth Information for Educators Mindat Articles Mindat Newsletter [Free Download]The Elements The Mineral Quiz

Search Form Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Minerals by Country Alphabetical Mineral Index Alphabetical Locality Search Mineral Association Search List of Countries Localities Near Me Photo Search Search Articles Search Glossary The Rock H. Currier Digital Library More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Minerals Petrology Fossils Meteorites Geologic Time

Mining Companies Statistics Mineral Museums Clubs & Organizations Mineral Shows & Events Device Settings Time Machine

Read Discussions Identification Request

Photo Search Photo Galleries Search by Colour Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Batu Tara Volcano, Komba Island, Lembata Regency, East Nusa Tenggara Province, Indonesia i
Regional Level Types
Batu Tara Volcano Stratovolcano (Active)
Komba Island Island
Lembata Regency Regency
East Nusa Tenggara Province Province
Indonesia Country

This page is currently not sponsored. Click here to sponsor this page.

Photos Maps Search Mineralogy

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Search Google

Predictive Mineralogy

Latitude & Longitude (WGS84):

7° 47' 27'' South , 123° 35' 11'' East

Latitude & Longitude (decimal):

-7.79085,123.58666

Type:

Stratovolcano (Active) - last checked 2026

Mindat Locality ID:

336577

Long-form identifier:

mindat:1:2:336577:2

GUID (UUID V4):

0

Other/historical names associated with this locality:

Batoe Tara; Batu Tava; Mount Batutara

A composite stratovolcano that forms an isolated island in the Flores Sea c. 50 km north of lembata island. It is built of lava flows, ash and breccia deposits and cut by many dikes.

Overall height of 633 metres.

Eruptions include: 2010; 22 March 2014; April and May 2015.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

5 valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Leucite-basanite

ⓘ Leucite-tephrite

Detailed Mineral List:

Formula: Ca₅(PO₄)₃A

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ 'Clinopyroxene Subgroup'

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: CaMgSi₂O₆

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ Diopside var. Salite

Formula: CaMgSi₂O₆

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ 'Fayalite-Forsterite Series'

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: K(AlSi₂O₆)

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ 'Magnesian hastingsite'

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: Fe²⁺Fe³⁺₂O₄

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: K(AlSi₃O₈)

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Formula: MgAl₂O₄

References:

Brouwer, H. A. (1940). Geological and Petrological Investigations on Alkali and Calc-alkali Rocks of the Islands Andonara, Lomblen and Batoe Tara. NV Noord-Hollandsche Uitgevers Maatschappij.

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

Van Bergen, M. J., Vroon, P. Z., Varekamp, J. C., & Poorter, R. P. E. (1992). The origin of the potassic rock suite from Batu Tara volcano (East Sunda Arc, Indonesia). Lithos, 28(3-6), 261-282.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Magnetite var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
Group 9 - Silicates
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	var. Salite	9.DA.15	CaMgSi₂O₆
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Leucite	9.GB.05	K(AlSi₂O₆)
Unclassified
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Magnesian hastingsite'	-
ⓘ	'Glass'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	Oxygen
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Leucite	K(AlSi₂O₆)
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Diopside var. Salite	CaMgSi₂O₆
O	ⓘ Apatite	Ca₅(PO₄)₃A
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Fayalite-Forsterite Series
Mg	ⓘ Diopside var. Salite	CaMgSi₂O₆
Al	Aluminium
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Leucite	K(AlSi₂O₆)
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Leucite	K(AlSi₂O₆)
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Diopside var. Salite	CaMgSi₂O₆
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃A
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Leucite	K(AlSi₂O₆)
K	ⓘ Sanidine	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Diopside var. Salite	CaMgSi₂O₆
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	Iron
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Fayalite-Forsterite Series

Other Regions, Features and Areas containing this locality

Banda Sea Plate

Banda SeaBack-arc Basin

Indonesia

Lesser Sunda IslandsGroup of Islands

Timor 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

Stolz, A. J., Varne, R., Wheller, G. E., Foden, J. D., Abbott, M. J. (1988) The geochemistry and petrogenesis of K-rich alkaline volcanics from the Batu Tara volcano, eastern Sunda arc. Contributions to Mineralogy and Petrology, 98 (3) 374-389 doi:10.1007/bf00375187

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.127

Bennett, Dean; Ubide, Teresa; Ward, Jack F; MacDonald, Alice; Rosenbaum, Gideon; Sihombing, Felix Mulia Hasudungan; Nugroho, Rio Priandri; Jabbar, Gamma Abdul; Tapu, Al-Tamini (2025) Magmatic Architecture of a Potassic Arc Volcano: Batu Tara, Eastern Sunda Arc, Indonesia. Journal of Petrology, 66 (9). doi:10.1093/petrology/egaf071

Quick NavTop Mineral List Rock Types Other Regions References

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: November 1, 2026 09:49:43 Page updated: August 23, 2026 18:36:27

Go to top of page