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:
Maicuru Range, Monte Alegre, Pará, Brazil

Oldest recorded age at locality: 2500
Youngest recorded age at locality: 541

mindat Locality ID: 283621
mindat URL: http://www.mindat.org/loc-283621.html

Tectonic Settings:

Total number of sublocalities beneath "Maicuru Range, Monte Alegre, Pará, Brazil": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Maicuru Alkaline Complex

Latitude: 0°-28'0"N
Longitude: 54°13'"W
Decimal Degree (lat, lon): -0.46666666666667,-54.216666666667

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.

Clay	Corundum	Diaspore	Kaolinite	Lepidocrocite	None	Not in a structural group	Smectite-vermiculite	Spinel	Wardite
Wavellite

Anatase ()*	Augelite ()*	Gibbsite ()*	Goethite ()*	Hematite ()*
Kaolinite ()*	Lepidocrocite ()*	Maghemite ()*	Senegalite ()*	Variscite ()*
Vermiculite ()*	Wardite ()*	Wavellite ()*

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 Fe H Mg Na O P Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Corundum Diaspore Kaolinite Lepidocrocite None Not in a structural group Smectite-vermiculite Spinel Wardite
Wavellite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	2500	541	1	28261	2162
Augelite ()*	None	Al₂(PO₄)(OH)₃	2500	541	1	28261	79
Gibbsite ()*	None	Al(OH)₃	2500	541	1	28261	504
Goethite ()*	Diaspore	FeO(OH)	2500	541	1	28261	7437
Hematite ()*	Corundum	Fe₂O₃	2500	541	1	28261	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	2500	541	1	28261	5591
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	2500	541	1	28261	581
Maghemite ()*	Spinel	(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄	2500	541	1	28261	229
Senegalite ()*	None	Al₂(PO₄)(OH)₃·H₂O	2500	541	1	28261	4
Variscite ()*	None	Al(PO₄)·2H₂O	2500	541	1	28261	301
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	2500	541	1	28261	652
Wardite ()*	Wardite	NaAl₃(PO₄)₂(OH)₄·2H₂O	2500	541	1	28261	58
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	2500	541	1	28261	374

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
	ree-00148	2500	541	Proterozoic											158014	Maicuru Alkaline Complex, Maicuru Range, Monte Alegre, Pará, Brazil	Maicuru	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...