AVO Sample Information

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SAMPLE INFO : 86Rj018

Sample ID:	86Rj018
Station ID:	86Rj018
Latitude:	57.0538
Longitude:	-135.75938
Datum:	NAD83
Sample Type 1:	Tephra Fall
Sample Type 2:	Accretionary Lapilli

Text Description:
Lapillus of massively bedded, black and red scoriaceous fallout lapilli adjacent to dome; slightly sintered, locally densely fused. 53.6% incipiently devitrified groundmass, 10.2% plagioclase grains (some embayed or having fretted interiors), clinopyroxene 1.3%, orthopyroxene 1.3%, macrovesicles 33.6%

References:

Pyroclastic deposits of the Mount Edgecumbe volcanic field, Southeast Alaska: eruptions of a stratified magma chamber

GEOCHEM DATA

StationID	Latitude	Longitude	Geologist	DateVisited	Age Info	Volcano	Eruption	Location Description	Text Description	Sample ID	Sample Type 1	Sample Type 2	Final Unit	Material	SiO2	TiO2	Al2O3	FeOT	MnO	MgO	CaO	Na2O	K2O	P2O5	Total-majors	REF majors	METH majors	Fe2O3/Fe203T orig	FeO/FeOT orig	Volatiles csv	METH volatiles	Cs	Rb	Ba	Sr	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Y	Zr	Nb	Hf	Ta	Pb	Th	U	Sc	V	Cr	Fe	Co	Ni	Cu	Zn	Ga	Mo	As	Na	K	Ref trace1	METH trace1	Rb	Ba	Sr	La	Ce	Nd	Sm	Eu	Gd	Dy	Er	Yb	Lu	Y	Zr	Nb	Pb	Th	U	Sc	Ti	V	Cr	Ni	Cu	Zn	Ga	Ref trace2	METH trace2	Light csv	Halogen csv	other major csv	other lile csv	other ree csv	other hfse csv	other hpe csv	other tm csv	other misc csv
86Rj018	57.0538	-135.75938	Unknown, Unknown			Edgecumbe		Edgecumbe; lat/long very approximate - derived from figure in publication	Lapillus of massively bedded, black and red scoriaceous fallout lapilli adjacent to dome; slightly sintered, locally densely fused. 53.6% incipiently devitrified groundmass, 10.2% plagioclase grains (some embayed or having fretted interiors), clinopyroxene 1.3%, orthopyroxene 1.3%, macrovesicles 33.6%	86Rj018	Tephra Fall	Cumulate		Whole-rock	60.1	0.74	17.9	5.62	0.09	2.7	6.56	4.1	0.9	0.28	99.6	161	XRF	1.86	3.92	H2OP=0.45; H2OM=0.12; CO2=0.51; LOI=1.02	TITR: H2OP; XRF: H2OM, LOI; NN: CO2;		25		273																																				161	XRF-EDS

SAMPLE LOCATION

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