Protocols

Detailed measurement and quantification of sedimentary structure types and their relative abundances in stratigraphic sections, including calculation of stratification ratios.

Measurement of radiocarbon content in bulk sediments and density fractions using accelerator mass spectrometry after acid fumigation pretreatment to remove inorganic carbon.

Standard method for determining exposure ages of rock surfaces using in-situ produced cosmogenic ¹⁰Be nuclides measured by accelerator mass spectrometry. Involves sample collection, quartz purificatio...

Numerical modeling approach combining energy-mass balance calculations with ice-flow modeling to reconstruct past glacier extents and determine paleoclimate conditions. Uses digital elevation models a...

Chemical analysis of igneous and meta-igneous rock samples to determine composition and petrogenesis. Results presented in tables and geochemical diagrams.

Field mapping of volcanic rocks in thirteen 7.5-minute quadrangles combined with petrologic studies and high-resolution age determinations. Includes several hundred new chemical analyses and age deter...

Integration of new and compiled geologic mapping data with geospatial analysis for neotectonic and hydrologic investigations.

Laser ablation inductively coupled plasma mass spectrometry used for U-Pb detrital zircon geochronology analysis. Supports mapping and stratigraphic interpretations of Paleozoic sedimentary rocks.

Analysis of pollen from archaeological site sediments to reconstruct past vegetation.

Scanning electron microscopy with cathodoluminescence imaging for characterizing zircon internal structure.

Regional assessments of major aquifer systems providing quantitative assessments of water occurrence, movement, and availability. Includes classification of stratigraphic sequences and generation of m...

Systematic collection of environmental data from 59 plots across the study area.