Core OL-92 from Owens Lake, southeast California

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/93-683/metadata.faq.html
Description The drilling project at Owens Lake commenced in April, 1991. This Open-File Report represents an effort to make available to other researchers our preliminary data collected during the first year of study following completion of the core-drilling phase.
Originators Smith, George I. and Bischoff, James L.
Publication U.S. Geological Survey Open-File Report 93-683

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Overview of attributes

Lithologic descriptions of core sections
Gravel weights in grams for -2.0 to -0.5 phi
Cumulative percent by weight using settling tube for -1.0
to 4.5 phi
Light transmission values using hydrophotometer for 4.5 to
14 phi
Weight and percent by weight of gravel, sand, and silt+
clay fractions
Statistical measures of grain size
Peak areas of selected clay and non-clay minerals in
counts per second determined through X-ray diffraction
Percent by weight of carbon dioxide, organic carbon,
magnesium, calcium, and strontium
Major oxides, Cs2O, and ignition loss (LOI) as weight
percent of dry sediment, determined by X-ray fluorescence,
non-dispersive X-ray fluorescence, and gravimetry,
respectively; major oxides are SiO2, Al2O3, Fe2O3, MgO,
CaO, Na2O, K2O, TiO2, P2O5, and MnO.
Minor element composition (ppm) by semi-quantitative
optical emission spectroscopy; minor elements are B, Ba,
Co, Cr, Cu, Ga, Mo, Ni, Pb, Sc, V, Y, and Zr.
Pore-water content and salinity (weight percent), Cl,
total dissolved CO2, and SO4 in millimolal.
Delta-C-13 and Delta-O-18 in per mil relative to PDB.
Delta-D (per mil) and salinity (percent) of interstitial
fluids.
Sulfur and carbon concentration, sulfur isotopic
compositions (per mil relative to CDT) broken down as
sulfur in acid-volatile sulfides, in disulfides, in
organosulfur, sulfates, and total sulfur.
Magnetization J (in emu/cc), bulk susceptibility (in cgs
system), J/chi, mean destructive field, high-stability
component (C1) declination and inclination, low-stability
component (C2) declination and inclination, intermediate-
stability component (C3)declination and inclination, C1
grade, C2 grade, C3 grade, ARM (in emu/cc) acquired in a
1000 Oe AF field and 0.5 Oe DC field, and J/ARM.
Pass-through bulk susceptibility measurements
Detailed lithologic descriptions of tephra layers with
comments on correlation to other tephra in the region
Weight-percent of oxides by electron probe microanalysis;
oxides are SiO2, Al2O3, Fe2O3, MgO, MnO, CaO, TiO2, Na2O,
K2O
Quantitative comparison of OL-92 tephra layers with others
of the western US using a nearest-analog technique.
Radiocarbon ages of oolite and humate materials, with
estimated uncertainty in the age estimates.
Estimated age as a function of depth based on data and
sediment accumulation models.
Counts of 58 species or other taxonomic categories of
diatoms
Counts of 12 species or other taxonomic categories of
ostracodes
Occurrence of 7 species or other taxonomic categories of
molluscs
Occurrence and identity of fish remains
Occurrence and identity of macroscopic organic material
Counts of 76 species or other taxonomic categories of
pollen from the upper part of the core
Counts of 42 genera or other taxonomic categories of
pollen throughout the core
Depths to tops of drives and slugs

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