Sample SO 41

NavDat sample number 37716 · BASALTIC-ANDESITE

Sample

Sample ID	SO 41
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	28.2225
Longitude	-109.316
Location	Nuri
State / province	Sonora

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
27.7		26.3	29.1

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
SIO2	55.08		WT%	UNKNOWN
TIO2	1.09		WT%	UNKNOWN
AL2O3	17.11		WT%	UNKNOWN
FE2O3	6.81		WT%	UNKNOWN
FEO	0.5		WT%	UNKNOWN
MNO	0.12		WT%	UNKNOWN
MGO	3.38		WT%	UNKNOWN
CAO	6.51		WT%	UNKNOWN
NA2O	3.58		WT%	UNKNOWN
K2O	2.26		WT%	UNKNOWN
P2O5	0.42		WT%	UNKNOWN
H2O_MINUS	0.9		WT%	UNKNOWN
H2O_PLUS	0.98		WT%	UNKNOWN
CO2	0.02		WT%	UNKNOWN

References

McDowell, Fred W; Roldan Quintana, Jaime; Amaya Martinez, Ricardo (1997) Interrelationship of sedimentary and volcanic deposits associated with Tertiary extension in Sonora, Mexico. Geological Society of America Bulletin, vol.109, no.10, pp.1349-1360, Oct 1997 doi:10.1130/0016-7606(1997)109<1349:IOSAVD>2.3.CO;2