Sample MGD-567

NavDat sample number 30664 · BASALT

Sample

Sample ID	MGD-567
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	29.3233
Longitude	-103.993
Location	Central Province; Rawls Fm
State / province	TEXAS
Formation	Rawls Fm Mbr 9

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23.3		20.97	25.63

Analyses

MINERAL

Item	Value	Std. dev.	Unit	Method
PB206_PB204	18.412			TIMS
PB207_PB204	15.531			TIMS
PB208_PB204	38.071			TIMS

References

James, Eric William; Henry, Christopher D (1993) Southeastern extent of the North American Craton in Texas and northern Chihuahua as revealed by Pb isotopes; with Suppl. Data 9310. Geological Society of America Bulletin, vol.105, no.1, pp.116-126, Jan 1993 doi:10.1130/0016-7606(1993)105<0116:SEOTNA>2.3.CO;2