Geology of Point Reyes National Seashore and Vicinity, California: A Digital Database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-456/metadata.faq.html
Description The Point Reyes Peninsula is a roughly triangular projection of the Marin County coast with an apex at Point Reyes and a base along Tomales Bay and the rift valley of the San Andreas fault zone. This fault zone forms the active tectonic boundary between
Originators Clark, Joseph C. and Brabb, Earl E.
Publication U.S. Geological Survey Open-File Report 97-456

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soil_data.dbf

Major and trace element geochemical data for soils

Label Definition
LAB_NO Laboratory identification number
FIELD_NO Field sample identification number
LATITUDE Geographic latitude in decimal degrees
LONGITUDE Geographic longitude in decimal degrees
COUNTY Name of the county from which the sample was taken
DATE Date sample was collected (m/d/yy)
HORIZON Soil horizon from which the sample was taken
DEPTH_CM Sample depth in cm
DEPTH_IN Sample depth in inches
SIEVED Sieve size fraction used in the analyses
PARENT Type of geologic material from which the soil formed
AL_ICP16 Aluminum measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
CA_ICP16 Calcium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
FE_ICP16 Iron measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
K_ICP16 Potassium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
MG_ICP16 Magnesium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
NA_ICP16 Sodium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
P_ICP16 Phosphorus measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
SI_ICP16 Silicon measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
TI_ICP16 Titanium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
BA_ICP16 Barium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
CR_ICP16 Chromium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
MN_ICP16 Manganese measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
NB_ICP16 Niobium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
SR_ICP16 Strontium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
Y_ICP16 Yttrium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
ZR_ICP16 Zirconium measured using Lithium metaborate fusion/16-element inductively coupled plasma atomic emission spectrometry (ICP-AES),
AL_ICP42 Aluminum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CA_ICP42 Calcium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
FE_ICP42 Iron measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
K_ICP42 Potassium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
MG_ICP42 Magnesium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
NA_ICP42 Sodium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
S_ICP42 Sulfur measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
TI_ICP42 Titanium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
AG_ICP42 Silver measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
AS_ICP42 Arsenic measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
BA_ICP42 Barium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
BE_ICP42 Beryllium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
BI_ICP42 Bismuth measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CD_ICP42 Cadmium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CE_ICP42 Cerium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CO_ICP42 Cobalt measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CR_ICP42 Chromium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CS_ICP42 Cesium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
CU_ICP42 Copper measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
GA_ICP42 Gallium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
IN_ICP42 Indium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
LA_ICP42 Lanthanum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
LI_ICP42 Lithium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
MN_ICP42 Manganese measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
MO_ICP42 Molybdenum measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
NB_ICP42 Niobium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
NI_ICP42 Nickel measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
P_ICP42 Phosphorus measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
PB_ICP42 Lead measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
RB_ICP42 Rubidium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
SB_ICP42 Antimony measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
SC_ICP42 Scandium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
SN_ICP42 Tin measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
SR_ICP42 Strontium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
TE_ICP42 Tellurium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
TH_ICP42 Thorium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
TL_ICP42 Thallium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
U_ICP42 Uranium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
V_ICP42 Vanadium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
W_ICP42 Tungsten measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
Y_ICP42 Yttrium measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
ZN_ICP42 Zinc measured using 4-acid digestion (HNO3, HCl, HF, HClO4) followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS),
SE_HYD Selenium measured using Hydride-generation atomic absorption spectrophotometry,
ORGANIC_C Organic carbon
CARB_C Carbonate carbon
TOTAL_C Total carbon

table1.dbf

Elements and their upper and lower reporting limits determined by 4-acid digestion/ICP-MS/AES

Label Definition
ELEMEMT Chemical species
LIMIT_LOW Lower detection limit
LIMIT_UP Upper detection limit

table2.dbf

Elements and their upper and lower reporting limits determined by 4-acid digestion/ICP-MS/AES

Label Definition
ELEMEMT Chemical species
LIMIT_LOW Lower detection limit
LIMIT_UP Upper detection limit