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:
Songwe Complex, Chitipa, Northern Region, Malawi

Oldest recorded age at locality: 1000
Youngest recorded age at locality: 100

mindat Locality ID: 26433
mindat URL: http://www.mindat.org/loc-26433.html

Tectonic Settings:

Total number of sublocalities beneath "Songwe Complex, Chitipa, Northern Region, Malawi": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Ilomba Intrusion
Ulindi Intrusion

Latitude: 9°31'"S
Longitude: 33°10'59"E
Decimal Degree (lat, lon): -9.5166666666667,33.183055555556

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	Calcite	Cancrinite	Cancrinite-sodalite	Clay	Corundum	Eudialyte	Feldspar	Mica	None
Pyrite	Pyroxene	Quartz	Sodalite	Spinel	Titanite	Tridymite	Zircon

Aegirine ()*	Albite ()*	Augite ()*	Calcite ()*	Cancrinite ()*
Diopside ()*	Eudialyte ()*	Ilmenite ()*	Magnetite ()*	Microcline ()*
Muscovite ()*	Nepheline ()*	Pyrite ()*	Quartz ()*	Riebeckite ()*
Sodalite ()*	Spinel ()*	Titanite ()*	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 C Ca Cl Fe H K Mg Na O S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Cancrinite Cancrinite-sodalite Clay Corundum Eudialyte Feldspar Mica None
Pyrite Pyroxene Quartz Sodalite Spinel Titanite Tridymite Zircon

19 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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1000	444	1	79927	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	79928	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1000	444	1	79927	2060
Calcite ()*	Calcite	Ca(CO₃)	1000	444	1	79927	27770
Cancrinite ()*	Cancrinite	(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O	1000	444	1	79927	232
Diopside ()*	Pyroxene	CaMgSi₂O₆	1000	444	1	79927	4135
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	1000	444	1	79927	182
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	79928	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1000	444	2	79927,79928	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	79928	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	79928	17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1000	444	2	79927,79928	884
Pyrite ()*	Pyrite	FeS₂	1000	444	1	79927	39462
Quartz ()*	Quartz	SiO₂	1000	444	1	79927	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1000	444	1	79927	375
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	1000	444	2	79927,79928	444
Spinel ()*	Spinel	MgAl₂O₄	1000	444	1	79927	1934
Titanite ()*	Titanite	CaTi(SiO₄)O	1000	444	1	79927	4899
Zircon ()*	Zircon	Zr(SiO₄)	1000	444	2	79927,79928	5251

2 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-00619	145	100	Early to Middle Cretaceous											26433	Songwe Complex, Chitipa, Northern Region, Malawi	Songwe Scarp	Orris and Grauch (2002)		USGSOFR02_189
	ree-00427	1000	444	Late Proterozoic - Early Paleozoic											26434	Ilomba Intrusion, Songwe Complex, Chitipa, Northern Region, Malawi	Ilomba	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...