AGDB2 rock sample M178963

(metamorphic, phyllite)

Field Value
Lab ID M178963
Field ID 87RN284D
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 104 parts per million by weight EDX
Nickel 72 parts per million by weight EDX
Rubidium 20 parts per million by weight EDX
Strontium 86 parts per million by weight EDX
Yttrium 20 parts per million by weight EDX
Zirconium 82 parts per million by weight EDX
Niobium <10 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur 0.87 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Sulfur 0.87 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Chromium 104 ppm XRF T EDXRF USGS-BGC
Nickel 72 ppm XRF T EDXRF USGS-BGC
Rubidium 20 ppm XRF T EDXRF USGS-BGC
Strontium 86 ppm XRF T EDXRF USGS-BGC
Yttrium 20 ppm XRF T EDXRF USGS-BGC
Zirconium 82 ppm XRF T EDXRF USGS-BGC
Niobium L10 ppm XRF T EDXRF USGS-BGC
Al2O3 13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 7.74 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
FeO 7.98 pct TT T HF-H2SO4 USGS-BGC
FeTO3 10.9 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
K2O 2.11 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 13.9 pct GV T combustion USGS-BGC
MgO 5.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 1.44 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.17 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 39.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 1.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC