AGDB2 rock sample M178962

(metamorphic, phyllite)

Field Value
Lab ID M178962
Field ID 87RN284C
Job ID LV54
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 58.08194
Geographic longitude -134.63333
loc_desc 920 Adit Greens Ck VMS deposit area
Sample source mine/quarry
Collection method composite
Primary media type rock
Secondary media type metamorphic
Sample media name phyllite
Sample comment tan musc-dol PHY (SC); protolith altd basalt
Additional sample attributes metasomatism unknown; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss)
Geologic age Devonian--Triassic
Stratigraphic unit tan tuffite
Mineralization type mineralized
Metamorphic setting shear
Metamorphic facies or grade greenschist
(click for info)
Geologic map unit -134.63333, 58.08194
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium 114 parts per million by weight EDX
Nickel 98 parts per million by weight EDX
Rubidium 22 parts per million by weight EDX
Strontium 60 parts per million by weight EDX
Yttrium <10 parts per million by weight EDX
Zirconium 78 parts per million by weight EDX
Niobium <10 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur 0.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Sulfur 0.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Chromium 114 ppm XRF T EDXRF USGS-BGC
Nickel 98 ppm XRF T EDXRF USGS-BGC
Rubidium 22 ppm XRF T EDXRF USGS-BGC
Strontium 60 ppm XRF T EDXRF USGS-BGC
Yttrium L10 ppm XRF T EDXRF USGS-BGC
Zirconium 78 ppm XRF T EDXRF USGS-BGC
Niobium L10 ppm XRF T EDXRF USGS-BGC
Al2O3 12.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 2.22 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
FeO 9.43 pct TT T HF-H2SO4 USGS-BGC
FeTO3 15.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
K2O 2.14 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 10.3 pct GV T combustion USGS-BGC
MgO 4.29 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 1.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 48.4 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 1.41 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC