AGDB2 rock sample M178964

(metamorphic, phyllite)

Field Value
Lab ID M178964
Field ID 87RN284E
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 chl-cal PHY (musc GST); protolith basalt
Additional sample attributes metasomatism unknown; quartz present; mafic (greenstone, greenschist, amphibolite)
Geologic age Devonian--Triassic
Stratigraphic unit chlor mudstone
Mineralization type mineralized
Metamorphic setting regional
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 142 parts per million by weight EDX
Nickel 90 parts per million by weight EDX
Rubidium 54 parts per million by weight EDX
Strontium 90 parts per million by weight EDX
Yttrium 32 parts per million by weight EDX
Zirconium 104 parts per million by weight EDX
Niobium 12 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur 0.048 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Sulfur 0.048 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Chromium 142 ppm XRF T EDXRF USGS-BGC
Nickel 90 ppm XRF T EDXRF USGS-BGC
Rubidium 54 ppm XRF T EDXRF USGS-BGC
Strontium 90 ppm XRF T EDXRF USGS-BGC
Yttrium 32 ppm XRF T EDXRF USGS-BGC
Zirconium 104 ppm XRF T EDXRF USGS-BGC
Niobium 12 ppm XRF T EDXRF USGS-BGC
Al2O3 15.6 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 6.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
FeO 9.52 pct TT T HF-H2SO4 USGS-BGC
FeTO3 12.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
K2O 2.74 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 11.6 pct GV T combustion USGS-BGC
MgO 6.21 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 1.99 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 40.6 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 1.63 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC