Paul Hackley - NARA Discovery

Evidence for a biological origin of uranium-rich carbon masses within the Ediacaran Salt Range Formation of PakistanNARA Subscribed

Organic Geochemistry · 2026 · Vol. 219 · Pergamon

Brett J. Valentine; Paul C. Hackley; M. Rebecca Stokes; Maitrayee Bose; Ryan J. McAleer; Imran Khan

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In-situ transformation of alginite and bituminite during thermal evolution in shale systems: Implications for the formation of solid bitumenNARA Subscribed

International Journal of Coal Geology · 2026 · Vol. 321 · Elsevier

Zilong Fang; Qingyong Luo; Anji Liu; Paul C. Hackley; Fariborz Goodarzi; Václav Suchý; Yan Liu; Jin Wu; Jinqi Qiao; Caiyuan Dong; Chao Jin; Guoqiang Duan; Wenxin Hu

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Petrological analysis of fast pyrolysis bio-oil distillation residuesNARA Subscribed

International Journal of Coal Geology · 2026 · Vol. 318 · Elsevier

Paul C. Hackley; Yaseen Elkasabi; Aaron M. Jubb

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Differentiating persistent and intermittent euxinia from the molecular derivatives of green sulfur bacteria carotenoidsNARA Subscribed

Geochimica et Cosmochimica Acta · 2026 · Vol. 415 · Pergamon

Katherine L. French; Paul C. Hackley; Erik A. Sperling

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Sedimentological and geochemical characterization of lacustrine deposits of the Babouri-Figuil basin, northern cameroon: Implications for source rocks distribution and petroleum explorationNARA Subscribed

Journal of African Earth Sciences · 2026 · Vol. 233 · Pergamon

William Gaspard O. Manga; Paul C. Hackley; Moïse Bessong; Javin J. Hatcherian; Ethel K. Ashukem; Alifa L. Guedalla; Arsène Meying; Elias Samankassou

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Confocal laser-scanning microscopy (CLSM)-based thermal maturity of Tasmanites and progress in standardization of fluorescence microspectrometryNARA Subscribed

International Journal of Coal Geology · 2025 · Vol. 310 · Elsevier

Jolanta Kus; Paul C. Hackley

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Component identification of solid biomass fuels using reflected light microscopy: Interlaboratory study 2NARA Subscribed

International Journal of Coal Geology · 2025 · Vol. 307 · Elsevier

Agnieszka Drobniak; Maria Mastalerz; Zbigniew Jelonek; Iwona Jelonek; Menandro N. Acda; Tushar Adsul; Neža Malenšek Andolšek; Lorenzo Animali; Omid H. Ardakani; Telma Ataide; Demberelsuren Batbold; Mohd Younus Bhat; Tara Congo; Bryon S. Donohoe; Olugbenga A. Ehinola; Deolinda Flores; Carolina Fonseca; Santanu Ghosh; Paula Gonçalves; Paul C. Hackley; James C. Hower; Luvsanchultem Jargal; Michelle Johnston; Stavros Kalatzidis; Sławomir Kędzior; Wayne Knowles; Susheel Kumar; Jolanta Kus; Grzegorz Lis; Kacper Lis; Bei Liu; Bangjun Liu; Qingyong Luo; Meili Du; Alessio Mencarelli; Divya Mishra; Magdalena Misz-Kennan; Nicola Mitillo; Roksana Muzyka; Jennifer L. Nedzweckas; Jennifer M.K. O'Keefe; Silvia Omodeo-Salé; Luvsannyam Oyunjargal; Jackie Park; Aulia Agus Patria; Richard Pearson; Henrik I. Petersen; Georgeta Predeanu; Ganzorig Ranjin; Julito Reyes; Joana Ribeiro; Genaro de la Rosa Rodríguez; Arka Rudra; Marcin Sajdak; Margaret Sanders; George Siavalas; Piotr Sosnowski; Atul K. Varma; Małgorzata Wojtaszek-Kalaitzidi; Mateusz Wolszczak; Zhanjie Xu; Alexander Zdravkov; Lei Zhao; Magdalena Zielińska; Konrad Ziemianin

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Nanometer-scale relationships between sedimentary organic matter molecular composition, fluorescence, cathodoluminescence, and reflectance: The importance of oxygen content at low thermal maturitiesNARA Subscribed

Organic Geochemistry · 2025 · Vol. 204 · Pergamon

Aaron M. Jubb; Paul C. Hackley; Ryan J. McAleer; Jing Qu

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Relating systematic molecular and textural properties of graptolite pyrolyzed via gold tube hydrous pyrolysis: Implications for thermal proxies in lower Paleozoic marine shalesNARA Subscribed

International Journal of Coal Geology · 2025 · Vol. 306 · Elsevier

Xiaowei Zheng; Hamed Sanei; Fujie Jiang; Qingyong Luo; Ye Wang; Jennifer L. Nedzweckas; Brett J. Valentine; M. Rebecca Stokes; Liu Cao; Paul C. Hackley

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Properties of solid bitumen formed during hydrous, anhydrous, and brine pyrolysis of oil shale: Implications for solid bitumen reflectance in source-rock reservoirsNARA Subscribed

Applied Geochemistry · 2025 · Vol. 185 · Pergamon

Paul C. Hackley; Justin E. Birdwell; Ryan McAleer

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Decoding paleomire conditions of paleogene superhigh-organic-sulfur coalsNARA Subscribed

International Journal of Coal Geology · 2024 · Vol. 290 · Elsevier

Tushar Adsul; Molly D. O'Beirne; David A. Fike; Santanu Ghosh; Josef P. Werne; William P. Gilhooly; Paul C. Hackley; Javin J. Hatcherian; Bright Philip; Bodhisatwa Hazra; Sudip Bhattacharyya; Ritam Konar; Atul Kumar Varma

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Novel insights about petroleum systems from source and reservoir rock characterization, Cretaceous Deposits, Babouri-Figuil Basin, Northern CameroonNARA Subscribed

International Journal of Coal Geology · 2024 · Vol. 285 · Elsevier

W. Gaspard Owona Manga; Javin J. Hatcherian; Paul C. Hackley; Moise Bessong; Carole L. Bapowa; Henri E. Pougue; Arsène Meying

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Scanning electron microscopic evaluation of broad ion beam milling effects to sedimentary organic matter: Sputter-induced artifacts or naturally occurring porosity?NARA Subscribed

International Journal of Coal Geology · 2023 · Vol. 277 · Elsevier

Brett J. Valentine; Paul C. Hackley

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Interlaboratory study: Testing reproducibility of solid biofuels component identification using reflected light microscopyNARA Subscribed

International Journal of Coal Geology · 2023 · Vol. 277 · Elsevier

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Thermal evolution of graptolite and solid bitumen properties at high maturity under natural and artificial conditionsNARA Subscribed

International Journal of Coal Geology · 2023 · Vol. 273 · Elsevier

Jianyang Song; Paul C. Hackley; Margaret M. Sanders; Aaron M. Jubb; Qingyong Luo

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

Organic Geochemistry · 2023 · Vol. 177 · Pergamon

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

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