AGDB2 rock sample M178989

(metamorphic, phyllite)

Field Value
Lab ID M178989
Field ID 87RN287C
Job ID LV56
Sample submitter Brew, David A.
Project name Juneau AMRAP
Date submitted 7/22/1987 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.10083
Geographic longitude -134.65583
loc_desc MPR-1 166-168'; Greens Ck VMS deposit area
Sampling depth 166-168'
Sample source drill core
Collection method channel
Primary media type rock
Secondary media type metamorphic
Sample media name phyllite
Sample comment tan musc-dol PHY; protolith altd basalt
Additional sample attributes metasomatism unknown; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss)
Geologic age Devonian--Triassic
Stratigraphic unit tan tuffite
Alteration type altered
Metamorphic setting regional
Metamorphic facies or grade greenschist
(click for info)
Geologic map unit -134.65583, 58.10083
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium 46 parts per million by weight EDX
Nickel <20 parts per million by weight EDX
Rubidium 54 parts per million by weight EDX
Strontium 265 parts per million by weight EDX
Yttrium 28 parts per million by weight EDX
Zirconium 86 parts per million by weight EDX
Niobium 18 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur 0.84 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Sulfur 0.84 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Chromium 46 ppm XRF T EDXRF USGS-BGC
Nickel L20 ppm XRF T EDXRF USGS-BGC
Rubidium 54 ppm XRF T EDXRF USGS-BGC
Strontium 265 ppm XRF T EDXRF USGS-BGC
Yttrium 28 ppm XRF T EDXRF USGS-BGC
Zirconium 86 ppm XRF T EDXRF USGS-BGC
Niobium 18 ppm XRF T EDXRF USGS-BGC
Al2O3 13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 2.99 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
FeO 5.14 pct TT T HF-H2SO4 USGS-BGC
FeTO3 11.4 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
K2O 3.12 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 9.63 pct GV T combustion USGS-BGC
MgO 4.05 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.45 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 1.63 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.42 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 47.9 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 0.81 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC