Mapping ancient sedimentary organic matter molecular structure at nanoscales using optical photothermal infrared spectroscopy

Aaron M. Jubb,M. Rebecca Stokes,Ryan J. McAleer,Paul C. Hackley,Eoghan Dillon,Jing Qu

Organic Geochemistry（2023）

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摘要

•OPTIR maps Tasmanites algal microfossils functional group distributions at 500 nm.•OPTIR data discriminate Tasmanites organic matter from adjacent solid bitumen.•First report using OTPIR to evaluate sedimentary organic matter structure.

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关键词

Alginite,Optical photothermal infrared spectroscopy,Organic matter,Shale,Tasmanites

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