Michael Engel

Michael Engel publications per year

Michael Engel publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Michael Engel sits on this spectrum.

Michael Engel D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Michael Engel sits on this spectrum.

Best Publications

• Isotopic evidence for extraterrestrial non- racemic amino acids in the Murchison meteorite

  M. H. Engel;S. A. Macko

  613
  Citations

• Abiotic synthesis of amino acids under hydrothermal conditions and the origin of life: a perpetual phenomenon?

  Unknown

  288
  Citations

• Defining biominerals and organominerals: direct and indirect indicators of life

  Randall S. Perry;Randall S. Perry;Nicola Mcloughlin;Bridget Y. Lynne;Mark A. Sephton

  168
  Citations

• Kinetic fractionation of stable carbon and nitrogen isotopes during peptide bond hydrolysis: Experimental evidence and geochemical implications

  J.A. Silfer;M.H. Engel;S.A. Macko

  158
  Citations

• Associations between burial diagenesis of smectite, chemical remagnetization, and magnetite authigenesis in the Vocontian trough, SE France

  Bodo Katz;R. Douglas Elmore;Monika Cogoini;Michael H. Engel

  156
  Citations

• Evidence for a relationship between hydrocarbons and authigenic magnetite

  Unknown

  140
  Citations

• Secular, episodic changes in stable carbon isotope composition of crude oils

  V.E. Andrusevich;M.H. Engel;J.E. Zumberge

  139
  Citations

• Kinetics of peptide hydrolysis and amino acid decomposition at high temperature

  Yaorong Qian;Michael H. Engel;Stephen A. Macko;Shelly Carpenter

  131
  Citations

• Early diagenesis and organic matter preservation — a molecular stable carbon isotope perspective

  Stephen A. Macko;Michael H. Engel;Yaorong Qian

  111
  Citations

• Geochromatography in petroleum migration: a review

  B. M. Krooss;M. H. Engel

  101
  Citations

• Sources of carbon and nitrogen in modern planktonic foraminifera: the role of algal symbionts as determined by bulk and compound specific stable isotopic analyses

  M.E. Uhle;S.A. Macko;H.J. Spero;M.H. Engel

  96
  Citations

• Chemical remagnetization and burial diagenesis: Testing the hypothesis in the Pennsylvanian Belden Formation, Colorado

  Sanjay Banerjee;R. Douglas Elmore;M. H. Engel

  95
  Citations

• The Precambrian nonesuch formation of the North American mid-continent rift, sedimentology and organic geochemical aspects of lacustrine deposition

  R. Douglas Elmore;Gary J. Milavec;Scott W. Imbus;Michael H. Engel

  93
  Citations

• Early Diagenesis of Organic Matter in Sediments

  Stephen A. Macko;Michael H. Engel;Patrick L. Parker

  82
  Citations

• Effects of paleolatitude on the stable carbon isotope composition of crude oils

  Vladimir E. Andrusevich;Michael H. Engel;John E. Zumberge

  80
  Citations

• Assessment of trophic structure of Cretaceous communities based on stable nitrogen isotope analyses

  P. H. Ostrom;S. A. Macko;M. H. Engel;D. A. Russell

  77
  Citations

• Isotopic compositions of individual carbohydrates as indicators of early diagenesis of organic matter in peat

  S.A. Macko;M.H. Engel;G. Hartley;P. Hatcher

  75
  Citations

• Stable isotope (C, S, N) and molecular studies on the Precambrian nonesuch Shale (Wisconsin-Michigan, U.S.A.): Evidence for differential preservation rates, depositional environment and hydrothermal influence

  Scott W. Imbus;Stephen A. Macko;R. Douglas Elmore;Michael H. Engel

  74
  Citations

• The late diagenetic conversion of pyrite to magnetite by organically complexed ferric iron

  Unknown

  73
  Citations

• The stereochemistry of amino acids in the Murchison meteorite

  M.H Engel;S.A Macko

  71
  Citations