Sample A-28

NavDat sample number 33148 · BASALT

Sample

Sample ID	A-28
Alternate ID	1494
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	UC Berkeley

Location

Latitude	21.03
Longitude	-103.4
Location	San Cristobal
State / province	Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
9.61	0.28	7.5	11

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	48.9		WT%	UNKNOWN
TIO2	1.56		WT%	UNKNOWN
AL2O3	16.5		WT%	UNKNOWN
FEOT	8.82		WT%	UNKNOWN
MNO	0.13		WT%	UNKNOWN
MGO	6.2		WT%	UNKNOWN
CAO	8.21		WT%	UNKNOWN
NA2O	3.74		WT%	UNKNOWN
K2O	0.9		WT%	UNKNOWN
P2O5	0.37		WT%	UNKNOWN
TOTAL	95.3		WT%	UNKNOWN
S	95.33			UNKNOWN
SUMA_100	4.67		WT%	UNKNOWN

References

Moore, Gordon; Marone, Chris; Carmichael, Ian S E; Renne, Paul (1994) Basaltic volcanism and extension near the intersection of the Sierra Madre volcanic province and the Mexican volcanic belt. Geological Society of America Bulletin. 106; 3, Pages 383-394. 1994. doi:10.1130/0016-7606(1994)106<0383:BVAENT>2.3.CO;2