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:
Londuimbali City Council, Huambo Province, Angola

Oldest recorded age at locality: 130
Youngest recorded age at locality: 109

mindat Locality ID: 285054
mindat URL: http://www.mindat.org/loc-285054.html

Tectonic Settings:

Total number of sublocalities beneath "Londuimbali City Council, Huambo Province, Angola": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Monte Verde

Latitude: 12°10'58"S
Longitude: 15°1'59"E
Decimal Degree (lat, lon): -12.182777777778,15.033055555556

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.

Aragonite	Baryte	Calcite	Clay	Mica	None	Titanite	Wollastonite	Zircon

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 Ba C Ca H K Mg O S Si Sr Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Baryte Calcite Clay Mica None Titanite Wollastonite Zircon

8 IMA Minerals at location:

Baryte ()*	Calcite ()*	Dolomite ()*	Phlogopite ()*	Strontianite ()*
Titanite ()*	Wollastonite ()*	Zircon ()*

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
Baryte ()*	Baryte	Ba(SO₄)	130	109	1	1568	11547
Calcite ()*	Calcite	Ca(CO₃)	130	109	1	1568	27770
Dolomite ()*	None	CaMg(CO₃)₂	130	109	1	1568	9895
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	130	109	1	1568	2273
Strontianite ()*	Aragonite	Sr(CO₃)	130	109	1	1568	589
Titanite ()*	Titanite	CaTi(SiO₄)O	130	109	1	1568	4899
Wollastonite ()*	Wollastonite	CaSiO₃	130	109	1	1568	1247
Zircon ()*	Zircon	Zr(SiO₄)	130	109	1	1568	5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000734	MAGMATIC STYLE: Small intrusions, generally within fenite. ASSOCIATED SILICATE ROCKS: Nepheline syenite, breccia, fenite and probably haüyne-bearing syenite.
Jen_0000735	MAGMATIC STYLE: Small intrusions, generally within fenite. ASSOCIATED SILICATE ROCKS: Nepheline syenite, breccia, fenite and probably haüyne-bearing syenite.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000734	109	109	109	K-Ar	amphibole	158066	Monte Verde, Londuimbali City Council, Huambo Province, Angola	Monte Verde	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000735	130	130	130	K-Ar	amphibole	158066	Monte Verde, Londuimbali City Council, Huambo Province, Angola	Monte Verde	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
ree-00008	130	109	109-130 Ma			158066	Monte Verde, Londuimbali City Council, Huambo Province, Angola	Monte Verde	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...