What question did this study set out to answer?

The aim is to analyze sediment and rock samples from archaeological sites to uncover information about past human activity and environmental conditions.

March 7, 2026Open Access

Macrofloral, Starch, and Organic Residue (Ftir) Analysis of Samples From Yellowstone National Park, Montana, and Wyoming

Key Points

The aim is to analyze sediment and rock samples from archaeological sites to uncover information about past human activity and environmental conditions.
Collected sediment and rock samples from five archaeological sites in Yellowstone National Park.
Samples were dated to Late Archaic, Prehistoric, or Historic periods.
Conducted macrofloral, starch, and organic residue analyses using Fourier transform infrared spectroscopy (FTIR).
Identified various macrofloral remains indicative of historical vegetation.
Detected starch grains that provide insights into ancient dietary practices.
Analyzed organic residues that inform about past human behaviors and environmental conditions.

Abstract

Five archaeological sites in Yellowstone National Park that had been previously dated to Late Archaic, Prehistoric, or Historic periods, yielded sediment and rock samples that were recovered from features situated within these occupations. Ten samples were submitted to PaleoResearch Institute for macrofloral, starch, and/or organic residue analyses; the latter using Fourier transform infrared spectroscopy (FTIR).

Macrofloral, Starch, and Organic Residue (Ftir) Analysis of Samples From Yellowstone National Park, Montana, and Wyoming

Key Points

Abstract

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