Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands; 40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Largest Settlements:

Place	Population
Vila de Sal Rei	2,122 (2014)

Mindat Locality ID:

248673

Long-form identifier:

mindat:1:2:248673:7

GUID (UUID V4):

46b6773f-cbd0-47c4-92ab-3556bd95b8d6

Other Languages:

View 32 more...

French:

Boa Vista, Îles de Barlavento, Cap-Vert

German:

Boa Vista, Ilhas de Barlavento, Kap Verde

Italian:

Boa Vista, Ilhas do Barlavento, Capo Verde

Portuguese:

Boa Vista, Ilhas de Barlavento, Cabo Verde

Russian:

Боавишта, Остров Барловенто, Кабо-Верде

Simplified Chinese:

博阿維斯塔島, 向风群岛, 佛得角

Spanish:

Isla de Boa Vista, Barlovento, Cabo Verde

Arabic:

بوا فيستا, الجزر لافينتو, الرأس الأخضر

Belarusian:

Баавішта, астравы Барлавенту, Каба-Вердэ

Breton:

Boa Vista, Inizi Barlavento, Kab Glas

Catalan:

illa de Boa Vista, illes de Barlavento, Cap Verd

Cebuano:

Concelho da Boa Vista, Ilhas do Barlavento, Cape Verde

Czech:

Boa Vista, Barlavento, Kapverdy

Danish:

Boa Vista, Barlavento, Kap Verde

Dutch:

Boa Vista, Barlavento, Kaapverdië

Egyptian Arabic:

بوا فيستا, كابو فيردا

Estonian:

Boa Vista saar, Tuulepealsed saared, Roheneemesaared

Farsi/Persian:

بوا ویستا، کیپ ورد, جزایر بارلاونتو, کیپ ورد

Finnish:

Boa Vista, Barlavento, Kap Verde

Galician:

Illa de Boa Vista, Illas de Barlovento, Cabo Verde

Greek:

Μπόα Βίστα , Πράσινο Ακρωτήριο

Guarani:

Ypa'ũ Boa Vista, Kávo Véyde

Hungarian:

Boa Vista, Zöld-foki Köztársaság

Indonesian:

Boa Vista, Kepulauan Barlavento, Tanjung Verde

Japanese:

ボア・ヴィスタ島, バルラヴェント諸島, カーボベルデ

Kazakh (Cyrillic Script):

Боа-Вишта, Кабо-Верде

Korean:

보아비스타섬, 바를라벤투 제도, 카보베르데

Latin:

Boa Vista, Promontorium Viride

Latvian:

Boavišta, Kaboverde

Lithuanian:

Boa Višta , Priešvėjinės salos, Žaliasis Kyšulys

Low Saxon/Low German:

Boa Vista, Ilhas de Barlavento, Kap Verde

Norwegian:

Boa Vista, Barlavento, Kapp Verde

Polish:

Boa Vista, Wyspy Zawietrzne, Republika Zielonego Przylądka

Swedish:

Boa Vista, Barlavento, Kap Verde

Traditional Chinese:

博阿維斯塔島, 向風群島, 維德角

Turkish:

Boa Vista, Barlavento Adaları, Yeşil Burun Adaları

Ukrainian:

Боавішта, Кабо-Верде

Urdu:

بوا ویستا، کیپ ورڈی, بارلاوینتو جزائر, کیپ ورڈی

Wolof:

Boa Vista, Kap Weert

Boa Vista (Portuguese for "good view"), also written as Boavista, is a desert-like island that belongs to the Cape Verde Islands. At 631.1 km² (243.7 sq mi), it is the third-largest island of the Cape Verde archipelago.

The island of Boa Vista is closer to the African continent than all the other islands in Cape Verde, being the easternmost island of all. The distance between Boa Vista and Senegal is only 450 km. The capital of Boa Vista, Sal Rei, is located in the north-western part of the island.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

11 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

ⓘ 'Olivine nephelinite'

ⓘ Phonolite

ⓘ Syenite

ⓘ Trachyte

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Figueiredo, M. O., Silva, L. C., & Williams, C. T. (1989). Notes on Cape Verde mineralogy. Loparite in syenitic rocks from Boa Vista island. Series: Geologia, Revista da Junta de Investigacoes do Ultramar, Lisboa, 12, 43-46.

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

Ancochea, E., Hernán, F., Huertas, M. J., & Brändle, J. L. (2012). The basaltic dikes of Boa Vista (Cape Verde Islands). Their significance in the interpretation of the evolution of the island. Journal of Volcanology and Geothermal Research, 243, 24-37. doi.org/10.1016/j.jvolgeores.2012.06.029

Ancochea, E., Huertas, M. J., Hernán, F., & Brändle, J. L. (2014). A new felsic cone-sheet swarm in the Central Atlantic Islands: The cone-sheet swarm of Boa Vista (Cape Verde). Journal of volcanology and geothermal research, 274, 1-15. doi.org/10.1016/j.jvolgeores.2014.01.010

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Silva, L. C., Figueiredo, M. O., & Williams, C. T. (1989). Notes on Cape Verde mineralogy. Zirconium silicates in syenitic rocks from Boa Vista island. Garcia de Orta (Portugal).

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Clinopyroxene Subgroup'

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Eckermannite

Formula: NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Eudialyte

Formula: Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Silva, L. C., Figueiredo, M. O., & Williams, C. T. (1989). Notes on Cape Verde mineralogy. Zirconium silicates in syenitic rocks from Boa Vista island. Garcia de Orta (Portugal).

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Fayalite-Forsterite Series'

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Feldspar Group'

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Låvenite

Formula: Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Silva, L. C., Figueiredo, M. O., & Williams, C. T. (1989). Notes on Cape Verde mineralogy. Zirconium silicates in syenitic rocks from Boa Vista island. Garcia de Orta (Portugal).

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Loparite-(Ce)

Formula: (Na,REE)₂Ti₂O₆

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Magnesio-arfvedsonite

Formula: {Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Melilite Group'

Formula: Ca₂M(XSiO₇)

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ 'Microperthite'

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

Silva, L. C., Figueiredo, M. O., & Williams, C. T. (1989). Notes on Cape Verde mineralogy. Zirconium silicates in syenitic rocks from Boa Vista island. Garcia de Orta (Portugal).

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

40Ar/39Ar geochronology and field constraints. Journal of Volcanology and Geothermal Research, 189(1-2), 19-32. doi.org/10.1016/j.jvolgeores.2009.10.010

Dyhr, C. T., & Holm, P. M. (2010). A volcanological and geochemical investigation of Boa Vista, Cape Verde Islands

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Loparite-(Ce)	4.CC.35	(Na,REE)₂Ti₂O₆
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Låvenite	9.BE.17	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
ⓘ	Eudialyte	9.CO.10	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Magnesio-arfvedsonite	9.DE.25	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
ⓘ	Eckermannite	9.DE.25	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
Unclassified
ⓘ	'Feldspar Group'	-
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Microperthite'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Melilite Group'	-	Ca₂M(XSiO₇)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
H	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
H	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
O	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
O	ⓘ Loparite-(Ce)	(Na,REE)₂Ti₂O₆
O	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
O	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Melilite Group	Ca₂M(XSiO₇)
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Na	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Na	ⓘ Loparite-(Ce)	(Na,REE)₂Ti₂O₆
Na	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Na	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Mg	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Si	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Si	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Si	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Melilite Group	Ca₂M(XSiO₇)
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Ca	Calcium
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Ca	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Melilite Group	Ca₂M(XSiO₇)
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Loparite-(Ce)	(Na,REE)₂Ti₂O₆
Ti	ⓘ Titanite	CaTi(SiO₄)O
Mn	Manganese
Mn	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Fe	ⓘ Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂
Zr	Zirconium
Zr	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Zr	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂

Geochronology

Mineralization age: Miocene : 14.3 ± 0.4 Ma to 10.4 ± 0.3 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 Time

Rocks, Minerals and Events

ⓘ Nepheline-syenite (youngest age)	10.4 ± 0.3 Ma
ⓘ Syenite (youngest age)	10.4 ± 0.3 Ma
ⓘ Nepheline-syenite (oldest age)	14.3 ± 0.4 Ma
ⓘ Syenite (oldest age)	14.3 ± 0.4 Ma

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Boa_Vista,_Cape_Verde
Wikidata ID:	Q110440
GeoNames ID:	3374855

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

Silva, L.C., Figueiredo, M.O., Williams, C.T. (1989) Notes on Cape Verde mineralogy. Zirconium silicates in syenitic rocks from Boa Vista Island. Garcia de Orta (Portugal).

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/mpar4

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Boa Vista Island, Barlavento Islands, Cape VerdeiRegional Level TypesBoa Vista IslandIsland Barlavento IslandsGroup of Islands Cape VerdeCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

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List of minerals arranged by Strunz 10th Edition classification

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References

Boa Vista Island, Barlavento Islands, Cape Verde i
Regional Level Types
Boa Vista Island Island
Barlavento Islands Group of Islands
Cape Verde Country