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Guyanai
Regional Level Types
GuyanaCountry

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PhotosMapsSearch
08180830015503200513287.jpg
View of the Demerara gold mining area, ca. 1910.

Demerara-Mahaica Region, Guyana
04882250015503200654952.jpg
View of the Mazaruni gold mining area, in 1905.

Cuyuni-Mazaruni Region, Guyana
06189840015503200222858.jpg
View of the Bartica gold and diamond mining area, ca. 1930.

Mazaruni river, Imbaimadai, Cuyuni-Mazaruni Region, Guyana
09717830015503198671969.jpg
View of the Demerara gold mining area, ca. 1910.

Demerara-Mahaica Region, Guyana
00478510015503189148463.jpg
View of the Mazaruni gold mining area, in 1905.

Cuyuni-Mazaruni Region, Guyana
00553680015503182374852.jpg
View of the Bartica gold and diamond mining area, ca. 1930.

Mazaruni river, Imbaimadai, Cuyuni-Mazaruni Region, Guyana
08180830015503200513287.jpg
View of the Demerara gold mining area, ca. 1910.

Demerara-Mahaica Region, Guyana
04882250015503200654952.jpg
View of the Mazaruni gold mining area, in 1905.

Cuyuni-Mazaruni Region, Guyana
Area:
214,970 km2
Neighbouring regions:
Type:
Largest Settlements:
PlacePopulation
Georgetown235,017 (2010)
Linden44,690 (2013)
New Amsterdam35,039 (2013)
Anna Regina12,448 (2018)
Bartica11,157 (2014)
Rosignol5,782 (2012)
Mindat Locality ID:
17370
Long-form identifier:
mindat:1:2:17370:7
GUID (UUID V4):
d81829e3-abf3-448d-a4e1-93e67142c5e0
Other Languages:
French:
Guyane
German:
Guyana
Italian:
Guyana
Russian:
Гайана
Simplified Chinese:
圭亚那
Spanish:
Guyana
Achinese:
Guyana
Adyghe:
Гайанэ
Afrikaans:
Guyana
Akan:
Gayana
Albanian:
Guajana
Alemannic:
Guyana
Amharic:
ጋያና
Anglo-Saxon:
Guyana
Arabic:
غويانا
Aragonese:
Guyana
Armenian:
Գայանա
Aromanian:
Gaiana
Asturian:
Guyana
Aymara:
Wayana
Azeri:
Qayana
Bambara:
Gwiyana
Bashkir:
Гайана
Basque:
Guyana
Bavarian:
Guyana
Belarusian:
Гаяна
Belarusian (Tarashkevitsa):
Гаяна
Bengali:
গায়ানা
Bishnupriya Manipuri:
গায়েনা
Bislama:
Guyana
Bosnian:
Gvajana
Breton:
Guyana
Bulgarian:
Гвиана
Burmese:
ဂိုင်ယာနာနိုင်ငံ
Catalan:
Guaiana
Cebuano:
Guyana
Central Bikol:
Guyana
Central Kurdish/Sorani:
گایانا
Chavacano:
Guyana
Chechen:
Гайана
Cherokee:
ᎦᏯᎾ
Chuvash:
Гайана
Classical Chinese:
圭亞那
Cornish:
Gwayana
Crimean Tatar (Latin):
Gayana
Croatian:
Gvajana
Czech:
Guyana
Danish:
Guyana
Doteli:
गुयना
Dutch:
Guyana
Dzongkha:
གྷ་ཡ་ན
Egyptian Arabic:
جيانا
Esperanto:
Gujano
Estonian:
Guyana
Ewe:
Guyana
Extremaduran:
Guyana
Faroese:
Gujana
Farsi/Persian:
گویان
Fiji Hindi:
Guyana
Finnish:
Guyana
Franco-Provençal:
Guyana
Fula:
Giyaan
Gagauz:
Gayana
Galician:
Güiana
Georgian:
გაიანა
Greek:
Γουιάνα
Greenlandic:
Guyana
Guarani:
Gujána
Gujarati:
ગિયાના
Haitian:
Giyàn
Hakka:
Guyana
Hebrew:
גיאנה
Hill Mari:
Гайана
Hindi:
गयाना
Hungarian:
Guyana
Icelandic:
Gvæjana
Ido:
Guyana
Igbo:
Guyana
Iloko:
Guyana
Indonesian:
Guyana
Interlingua:
Guyana
Interlingue:
Guyana
Irish Gaelic:
An Ghuáin
Jamaican Patois:
Gayana
Japanese:
ガイアナ
Javanese:
Guyana
Judaeo-Spanish:
Guyana
Kabyle:
Guwana
Kalmyk:
Ниитә Гайанмудин Орн
Kannada:
ಗಯಾನ
Kapampangan:
Guyana
Karachay-Balkar:
Гайана
Karakalpak:
Gayana
Kashmiri:
گُیانا
Kazakh (Cyrillic Script):
Гайана
Khmer:
ហ្គីយ៉ាណា
Kikuyu:
Guyana
Kinyarwanda:
Giyana
Kongo:
Guyana
Konkani:
गयाना
Korean:
가이아나
Kurdish (Latin Script):
Guyana
Kyrgyz:
Гайана
Lao:
ກູຢານາ
Latgalian:
Gajana
Latin:
Guiana
Latvian:
Gajāna
Ligurian:
Guyana
Limburgian:
Guyana
Lingala:
Gwiana
Lingua Franca Nova:
Guiana
Lithuanian:
Gajana
Livvi-Karelian:
Gaijana
Lojban:
gudjanas
Lombard:
Gujana
Low Saxon/Low German:
Guyana
Lower Sorbian:
Guyana
Luganda:
Gayana
Luxembourgish:
Guyana
Macedonian:
Гвајана
Malay:
Guyana
Malayalam:
ഗയാന
Maltese:
Gujana
Manx:
Geeaaney
Maori:
Kaiana
Marathi:
गयाना
Mazanderani:
گایان
Meadow Mari:
Гайана
Min Dong Chinese:
Guyana
Mingrelian:
გაიანა
Minnan / Hokkien-Taiwanese:
Guyana
Moksha:
Гайана
Mongolian:
Гайана
Nahuatl:
Guyana
Nauruan:
Guyana
Nepali:
गुयना
Norfolk:
Gwiiana
Northern Frisian:
Guyana
Northern Sami:
Guyana
Norwegian:
Guyana
Norwegian (Nynorsk):
Guyana
Novial:
Guyana
Occitan:
Guyana
Odia:
ଗାୟନା
Oromo:
Gayaanaa
Ossetian:
Гайанæ
Pali:
गयाना
Papiamento:
Guiana
Pashto:
ګايانا
Piedmontese:
Gujan-a
Polish:
Gujana
Portuguese:
Guiana
Punjabi:
ਗੁਇਆਨਾ
Quechua:
Wayana
Ripuarian:
Jujaana
Romanian:
Guyana
Rundi:
Guyane
Russia Buriat:
Гайана
Samogitian:
Gajana
Sango:
Gayâna
Sanskrit:
गयाना
Sardinian:
Guyana
Saterland Frisian:
Guyana
Scots:
Guyana
Scottish Gaelic:
Guiana
Serbian:
Гвајана
Serbo-Croatian:
Gvajana
Shona:
Guyana
Sicilian:
Gujana
Silesian:
Gujana
Sindhi:
گيانا
Sinhalese:
ගයනාව
Slovak:
Guyana
Slovenian:
Gvajana
Somali:
Guyana
South Azerbaijani:
قویان
Sranan Tongo:
Kayanakondre
Sundanese:
Guyana
Swahili:
Guyana
Swedish:
Guyana
Tagalog:
Guyana
Tamil:
கயானா
Tatar:
Гайана
Telugu:
గయానా
Tetum:
Giana
Thai:
กายอานา
Tibetan (Standard):
གུ་ཡ་ན།
Tigrinya:
ጉያና
Tok Pisin:
Giana
Tongan:
Kuiana
Traditional Chinese:
圭亞那
Turkish:
Guyana
Turkmen:
Gaýana
Udmurt:
Гайана
Ukrainian:
Гаяна
Upper Sorbian:
Guyana
Urdu:
گیانا
Uyghur:
گايانا
Uzbek (Latin Script):
Gayana
Venetian:
Guyana
Veps:
Gajan
Vietnamese:
Guyana
Volapük:
Gvayän
Võro:
Guyana
Walloon:
Gwiyane
Waray:
Guyana
Welsh:
Gaiana
West Frisian:
Guyana
Western Punjabi:
گیآنا
Wolof:
Guyaana
Wu Chinese:
圭亚那
Yakut:
Гайана
Yiddish:
גויאנע
Yoruba:
Gùyánà
Zazaki:
Guyana
Zeelandic:
Huyana
Zhuang:
Guyana
Zulu:
i-Guyana


Guyana, officially the Co‑operative Republic of Guyana, is a country on the northern mainland of South America and the capital city is Georgetown. Guyana is bordered by the Atlantic Ocean to the north, Brazil to the south and southwest, Venezuela to the west, and Suriname to the east. With 215,000 square kilometres (83,000 sq mi), Guyana is the third-smallest sovereign state by area in mainland South America after Uruguay and Suriname; it is also the second-least populous sovereign state in South America after Suriname.

The region known as "the Guianas" consists of the large shield landmass north of the Amazon River and east of the Orinoco River known as the "land of many waters". There are nine indigenous tribes residing in Guyana: the Wai Wai, Macushi, Patamona, Lokono, Kalina, Wapishana, Pemon, Akawaio and Warao. Historically dominated by the Lokono and Kalina tribes, Guyana was colonised by the Dutch before coming under British control in the late 18th century. It was governed as British Guiana, with a mostly plantation-style economy until the 1950s. It gained independence in 1966 and officially became a republic within the Commonwealth of Nations in 1970. The legacy of British rule is reflected in the country's political administration and diverse population, which includes Indian, African, Amerindian, Chinese, Portuguese, other European, and various multiracial groups. In 2017, 41% of the population of Guyana lived below the poverty line.

Guyana is the only South American nation in which English is the official language. The majority of the population, however, speak Guyanese Creole, an English-based creole language, as a first language. Guyana is part of the Anglophone Caribbean. It is part of the mainland Caribbean region maintaining strong cultural, historical, and political ties with other Caribbean countries as well as headquarters for the Caribbean Community (CARICOM). In 2008, the country joined the Union of South American Nations as a founding member.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

70 valid minerals. 5 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Aegirine
Formula: NaFe3+Si2O6
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aikinite ?
Formula: PbCuBiS3
Albite
Formula: Na(AlSi3O8)
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Description: "orthite"
Altaite
Formula: PbTe
'Amblygonite-Montebrasite Series'
Anatase
Formula: TiO2
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Bismuth
Formula: Bi
Böhmite
Formula: AlO(OH)
Bornite
Formula: Cu5FeS4
Bracewellite (TL)
Formula: CrO(OH)
Type Locality:
Description: River gravels.
Brannerite
Formula: UTi2O6
Calaverite
Formula: AuTe2
Calcite
Formula: CaCO3
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Coffinite
Formula: U(SiO4) · nH2O
Coloradoite
Formula: HgTe
Copper
Formula: Cu
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Corrensite
Formula: (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Cummingtonite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
Diamond
Formula: C
Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Ephesite
Formula: NaLiAl2(Al2Si2O10)(OH)2
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Eskolaite
Formula: Cr2O3
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
'Feldspar Group'
Gahnite
Formula: ZnAl2O4
Galena
Formula: PbS
Gibbsite
Formula: Al(OH)3
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
Localities: Reported from at least 10 localities in this region.
Gorceixite
Formula: BaAl3(PO4)(PO3OH)(OH)6
Grimaldiite (TL)
Formula: CrO(OH)
Type Locality:
Description: River gravels.
Guyanaite (TL)
Formula: CrO(OH)
Description: River gravels.
Hematite
Formula: Fe2O3
Hessite
Formula: Ag2Te
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Jasper'
Kaolinite
Formula: Al2(Si2O5)(OH)4
'K Feldspar'
Magnetite
Formula: Fe2+Fe3+2O4
Mcconnellite (TL)
Formula: CuCrO2
Type Locality:
Description: River gravels.
Melonite
Formula: NiTe2
'Merumite' (FRL)
Description: Most of the merumite is found in this smaller river than Mreume River (Charles Milton et al., 1967.
'Mica Group'
Microcline
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
Description: 2H polytype.
'Monazite'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Nacrite
Formula: Al2(Si2O5)(OH)4
Nagyágite ?
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
Petzite
Formula: Ag3AuTe2
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Potarite (TL)
Formula: PdHg
Type Locality:
Pyrite
Formula: FeS2
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Pyrophyllite
Formula: Al2Si4O10(OH)2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Localities: Reported from at least 9 localities in this region.
References:
Quartz var. Milky Quartz
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Samarskite-(Y)
Formula: YFe3+Nb2O8
'Saussurite'
Scheelite
Formula: Ca(WO4)
Siderite
Formula: FeCO3
Silver
Formula: Ag
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Sphalerite
Formula: ZnS
Sylvanite
Formula: AgAuTe4
Tellurobismuthite
Formula: Bi2Te3
Tetradymite
Formula: Bi2Te2S
Thorite
Formula: Th(SiO4)
Thorite var. Uranothorite
Formula: (Th,U)SiO4
Titanite
Formula: CaTi(SiO4)O
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Uraninite
Formula: UO2
Volynskite
Formula: AgBiTe2
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Gold1.AA.05Au
Copper1.AA.05Cu
Potarite (TL)1.AD.25PdHg
Bismuth1.CA.05Bi
Diamond1.CB.10aC
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Hessite2.BA.60Ag2Te
Petzite2.BA.75Ag3AuTe2
Sphalerite2.CB.05aZnS
Coloradoite2.CB.05aHgTe
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Altaite2.CD.10PbTe
Galena2.CD.10PbS
Tetradymite2.DC.05Bi2Te2S
Tellurobismuthite2.DC.05Bi2Te3
Sylvanite2.EA.05AgAuTe4
Calaverite2.EA.10AuTe2
Melonite2.EA.20NiTe2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Aikinite ?2.HB.05aPbCuBiS3
Nagyágite ?2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Volynskite2.JA.20AgBiTe2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Mcconnellite (TL)4.AB.15CuCrO2
Gahnite4.BB.05ZnAl2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Eskolaite4.CB.05Cr2O3
Quartz
var. Smoky Quartz
4.DA.05SiO2
4.DA.05SiO2
var. Milky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y)4.DB.25YFe3+Nb2O8
Anatase4.DD.05TiO2
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Brannerite4.DH.05UTi2O6
Uraninite4.DL.05UO2
Guyanaite (TL)4.FD.10CrO(OH)
Bracewellite (TL)4.FD.10CrO(OH)
Gibbsite4.FE.10Al(OH)3
Böhmite4.FE.15AlO(OH)
Grimaldiite (TL)4.FE.20CrO(OH)
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3
Calcite5.AB.05CaCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Gorceixite8.BL.10BaAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
Thorite
var. Uranothorite
9.AD.30(Th,U)SiO4
Coffinite9.AD.30U(SiO4) · nH2O
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Titanite9.AG.15CaTi(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aegirine9.DA.25NaFe3+Si2O6
Cummingtonite9.DE.05◻{Mg2}{Mg5}(Si8O22)(OH)2
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Muscovite
var. Sericite
9.EC.15KAl2(AlSi3O10)(OH)2
9.EC.15KAl2(AlSi3O10)(OH)2
Ephesite9.EC.20NaLiAl2(Al2Si2O10)(OH)2
Corrensite9.EC.60(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Nacrite9.ED.05Al2(Si2O5)(OH)4
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Merumite' (TL)-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
'Saussurite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'K Feldspar'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'
-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Amblygonite-Montebrasite Series'-
'Mica Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Feldspar Group'-
'Jasper'-
'Monazite'-REE(PO4)
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H BöhmiteAlO(OH)
H BracewelliteCrO(OH)
H CoffiniteU(SiO4) · nH2O
H Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
H Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
H DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
H EphesiteNaLiAl2(Al2Si2O10)(OH)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H GibbsiteAl(OH)3
H Goethiteα-Fe3+O(OH)
H GorceixiteBaAl3(PO4)(PO3OH)(OH)6
H GrimaldiiteCrO(OH)
H GuyanaiteCrO(OH)
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H NacriteAl2(Si2O5)(OH)4
H PyrophylliteAl2Si4O10(OH)2
H TopazAl2(SiO4)(F,OH)2
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
Li EphesiteNaLiAl2(Al2Si2O10)(OH)2
BBoron
B DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DiamondC
C SideriteFeCO3
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AegirineNaFe3+Si2O6
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AlbiteNa(AlSi3O8)
O AnataseTiO2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BöhmiteAlO(OH)
O BracewelliteCrO(OH)
O BranneriteUTi2O6
O CalciteCaCO3
O CoffiniteU(SiO4) · nH2O
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
O Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
O DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
O EphesiteNaLiAl2(Al2Si2O10)(OH)2
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O EskolaiteCr2O3
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O GahniteZnAl2O4
O GibbsiteAl(OH)3
O Goethiteα-Fe3+O(OH)
O GorceixiteBaAl3(PO4)(PO3OH)(OH)6
O GrimaldiiteCrO(OH)
O GuyanaiteCrO(OH)
O HematiteFe2O3
O KaoliniteAl2(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O McconnelliteCuCrO2
O MicroclineK(AlSi3O8)
O MonaziteREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O NacriteAl2(Si2O5)(OH)4
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O PyrophylliteAl2Si4O10(OH)2
O QuartzSiO2
O RutileTiO2
O Samarskite-(Y)YFe3+Nb2O8
O ScheeliteCa(WO4)
O SideriteFeCO3
O Quartz var. Smoky QuartzSiO2
O ThoriteTh(SiO4)
O TitaniteCaTi(SiO4)O
O TopazAl2(SiO4)(F,OH)2
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O UraniniteUO2
O ZirconZr(SiO4)
O Quartz var. Milky QuartzSiO2
O Thorite var. Uranothorite(Th,U)SiO4
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O ApatiteCa5(PO4)3(Cl/F/OH)
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F TopazAl2(SiO4)(F,OH)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AegirineNaFe3+Si2O6
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AlbiteNa(AlSi3O8)
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Na DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Na EphesiteNaLiAl2(Al2Si2O10)(OH)2
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Mg Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mg DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BöhmiteAlO(OH)
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Al DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Al EphesiteNaLiAl2(Al2Si2O10)(OH)2
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al GahniteZnAl2O4
Al GibbsiteAl(OH)3
Al GorceixiteBaAl3(PO4)(PO3OH)(OH)6
Al KaoliniteAl2(Si2O5)(OH)4
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al NacriteAl2(Si2O5)(OH)4
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al PyrophylliteAl2Si4O10(OH)2
Al TopazAl2(SiO4)(F,OH)2
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AegirineNaFe3+Si2O6
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AlbiteNa(AlSi3O8)
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si CoffiniteU(SiO4) · nH2O
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Si Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Si DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Si EphesiteNaLiAl2(Al2Si2O10)(OH)2
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si KaoliniteAl2(Si2O5)(OH)4
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NacriteAl2(Si2O5)(OH)4
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si ThoriteTh(SiO4)
Si TitaniteCaTi(SiO4)O
Si TopazAl2(SiO4)(F,OH)2
Si ZirconZr(SiO4)
Si Quartz var. Milky QuartzSiO2
Si Thorite var. Uranothorite(Th,U)SiO4
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P GorceixiteBaAl3(PO4)(PO3OH)(OH)6
P MonaziteREE(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S AikinitePbCuBiS3
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S GalenaPbS
S MolybdeniteMoS2
S Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S TetradymiteBi2Te2S
ClChlorine
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
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 MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti AnataseTiO2
Ti Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti BranneriteUTi2O6
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
CrChromium
Cr BracewelliteCrO(OH)
Cr EskolaiteCr2O3
Cr GrimaldiiteCrO(OH)
Cr GuyanaiteCrO(OH)
Cr McconnelliteCuCrO2
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe AegirineNaFe3+Si2O6
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe Samarskite-(Y)YFe3+Nb2O8
Fe SideriteFeCO3
NiNickel
Ni MeloniteNiTe2
CuCopper
Cu AikinitePbCuBiS3
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu CopperCu
Cu McconnelliteCuCrO2
ZnZinc
Zn GahniteZnAl2O4
Zn SphaleriteZnS
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Samarskite-(Y)YFe3+Nb2O8
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Samarskite-(Y)YFe3+Nb2O8
MoMolybdenum
Mo MolybdeniteMoS2
PdPalladium
Pd PotaritePdHg
AgSilver
Ag HessiteAg2Te
Ag PetziteAg3AuTe2
Ag SilverAg
Ag SylvaniteAgAuTe4
Ag VolynskiteAgBiTe2
SbAntimony
Sb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
TeTellurium
Te AltaitePbTe
Te CalaveriteAuTe2
Te ColoradoiteHgTe
Te HessiteAg2Te
Te MeloniteNiTe2
Te Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Te PetziteAg3AuTe2
Te SylvaniteAgAuTe4
Te TellurobismuthiteBi2Te3
Te TetradymiteBi2Te2S
Te VolynskiteAgBiTe2
BaBarium
Ba GorceixiteBaAl3(PO4)(PO3OH)(OH)6
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Ta Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
WTungsten
W ScheeliteCa(WO4)
AuGold
Au CalaveriteAuTe2
Au GoldAu
Au Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Au PetziteAg3AuTe2
Au SylvaniteAgAuTe4
HgMercury
Hg ColoradoiteHgTe
Hg PotaritePdHg
PbLead
Pb AikinitePbCuBiS3
Pb AltaitePbTe
Pb GalenaPbS
Pb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
BiBismuth
Bi AikinitePbCuBiS3
Bi BismuthBi
Bi TellurobismuthiteBi2Te3
Bi TetradymiteBi2Te2S
Bi VolynskiteAgBiTe2
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th ThoriteTh(SiO4)
Th Thorite var. Uranothorite(Th,U)SiO4
UUranium
U Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
U BranneriteUTi2O6
U CoffiniteU(SiO4) · nH2O
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U UraniniteUO2
U Thorite var. Uranothorite(Th,U)SiO4

Fossils

There are 1 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences1
Youngest Fossil Listed101 Ma (Late/Upper Cretaceous)
Oldest Fossil Listed164 Ma (Middle Jurassic)
Stratigraphic Units
UnitNo. OccurrencesAge
Rewa - Takutu1163.5 - 100.5 Ma (Mesozoic)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Theropoda
unranked clade
Animalia : Chordata : Saurischia : Theropoda163.5 - 100.5 Ma
Mesozoic
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Guyana
Wikidata ID:Q734
GeoNames ID:3378535

Localities in this Region

Other Regions, Features and Areas that Intersect


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.
 
Mineral and/or Locality  
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