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:
Guimarãesite Occurrence, Piauí Valley, Taquaral, Itinga, Minas Gerais, Brazil

Oldest recorded age at locality: 515
Youngest recorded age at locality: 515

mindat Locality ID: 127216
mindat URL: http://www.mindat.org/loc-127216.html

Tectonic Settings:

Total number of sublocalities beneath "Guimarãesite Occurrence, Piauí Valley, Taquaral, Itinga, Minas Gerais, Brazil": 0
Total number of bottom-level sublocalities: 0

Latitude: 16°43'20"S
Longitude: 41°53'35"W
Decimal Degree (lat, lon): -16.722222222222,-41.893055555556

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.

Amorphous	Childrenite	Feldspar	None	Quartz	Roscherite	Tourmaline

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: Al B Be Ca Fe H K Li Mg Mn Na O P Si U Zn

Elements from minerals reported directly at this locality: Al B Be Ca Fe H K Li Mg Mn Na O P Si U Zn

Structural Groups for minerals in this locality:
Amorphous Childrenite Feldspar None Quartz Roscherite Tourmaline

11 IMA Minerals at location:

Albite ()*	Elbaite ()*	Eosphorite ()*	Guimarãesite ()*	Microcline ()*
Moraesite ()*	Opal ()*	Quartz ()*	Saléeite ()*	Schorl ()*
Zanazziite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	515	515	8803
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	515	515	520
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O	515	515	128
Guimarãesite ()*	Roscherite	Ca₂Be₄Zn₅(PO₄)₆(OH)₄·6H₂O	515	515	2
Microcline ()*	Feldspar	K(AlSi₃O₈)	515	515	4924
Moraesite ()*	None	Be₂(PO₄)(OH)·4H₂O	515	515	35
Opal ()*	Amorphous	SiO₂·nH₂O	515	515	2994
Quartz ()*	Quartz	SiO₂	515	515	61156
Saléeite ()*	None	Mg(UO₂)₂(PO₄)₂(H₂O)₁₀	515	515	95
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	515	515	2705
Zanazziite ()*	Roscherite	Ca₂Be₄Mg₅(PO₄)₆(OH)₄·6H₂O	515	515	21

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Be-00050	515	515	515			high						Uralolite, Guimaraesite	Be	127216	Guimarãesite Occurrence, Piauí Valley, Taquaral, Itinga, Minas Gerais, Brazil		Pedrosa-Soares et al. (2011)		GSL350_25

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...