Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Barima-Waini Region, Guyana

mindat Locality ID: 210563
mindat URL: http://www.mindat.org/loc-210563.html

Tectonic Settings:

Total number of sublocalities beneath "Barima-Waini Region, Guyana": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Arakarka Au Deposit
Kaituma

Latitude: 7°36'54"N
Longitude: 59°55'58"W
Decimal Degree (lat, lon): 7.615,-59.932777777778

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Amphibole	Columbite	Copper	Feldspar	Melonite	None	Pyroxene	Quartz	Spinel	Titanite
Zircon

Aegirine ()*	Aegirine-augite ()*	Albite ()*	Arfvedsonite ()*	Euxenite-(Y) ()*
Gold ()*	Magnetite ()*	Microcline ()*	Quartz ()*	Samarskite-(Y) ()*
Sylvanite ()*	Thorite ()*	Titanite ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al Au Ca Ce Fe H K Mg Na Nb O Si Ta Te Th Ti U Y

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Columbite Copper Feldspar Melonite None Pyroxene Quartz Spinel Titanite
Zircon

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	64705	1022
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	1	64705	286
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	64705	8803
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	1	64705	295
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1	64705	414
Gold ()*	Copper	Au	1	64704	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	64705	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	64705	4924
Quartz ()*	Quartz	SiO₂	1	64705	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	64705	353
Sylvanite ()*	Melonite	AgAuTe₄	1	64704	337
Thorite ()*	Zircon	Th(SiO₄)	1	64705	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	1	64705	4899

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...