Search Results

MAIZE MAINTENANCE.

• Authors : ZORICH, ZACH

Subjects: NITROGEN isotopes; CORN farming; MOHAWK (North American people)

• Source: Archaeology. Jan/Feb2024, Vol. 77 Issue 1, p12-12. 1/2p. 1 Color Photograph, 1 Black and White Photograph.

Record details

Fluctuation in redox conditions and the evolution of early Cambrian life constrained by nitrogen isotopes in the middle Yangtze Block, South China.

• Authors : Wei, Kai (AUTHOR); Cao, Hansheng (AUTHOR); Chen, Fajin (AUTHOR)

Subjects: NITROGEN isotopes; ANOXIC waters; BIOLOGICAL evolutionCHINA

• Source: Geological Magazine. Oct2023, Vol. 160 Issue 10, p1932-1945. 14p.

Record details

Megalodon ate other killer fish.

Subjects: NITROGEN isotopes; ISOTOPIC analysis; NITROGEN analysis

• Source: New Scientist. 7/2/2022, Vol. 255 Issue 3393, p23-23. 1p.

Record details

Oxygen rise in the tropical upper ocean during the Paleocene-Eocene Thermal Maximum.

• Authors : Moretti, Simone; Auderset, Alexandra; Deutsch, Curtis

Subjects: NITROGEN isotopes; BIOLOGICAL productivity; OXYGEN

• Source: Science. 2/16/2024, Vol. 383 Issue 6684, p727-731. 5p. 4 Diagrams.

Record details

Linkages between nitrogen cycling, nitrogen isotopes, and environmental properties in paleo-lake basins.

• Authors : Liuwen Xia; Jian Cao; Stüeken, Eva E.

Subjects: NITROGEN isotopes; SEAWATER salinity; ANOXIC watersCHINA

• Source: Geological Society of America Bulletin. Sep2022, Vol. 134 Issue 9/10, p2359-2372. 14p.

Record details

Ammonium "nutrient capacitor" model for δ15N signatures associated with marine anoxic events.

• Authors : Uveges, Benjamin T.; Pearson, Ann

Subjects: BIOGEOCHEMICAL cycles; NITROGEN isotopes; EUPHOTIC zone

• Source: Geology. Dec2023, Vol. 51 Issue 12, p1132-1136. 5p.

Record details

Carbon and nitrogen isotopes and mineral inclusions in diamonds from chromitites of the Mirdita ophiolite (Albania) demonstrate recycling of oceanic crust into the mantle.

• Authors : Wu, WEIWEI; YANG, JINGSUI; WIRTH, RICHARD

Subjects: NITROGEN isotopes; CARBON isotopes; OPHIOLITES

• Source: American Mineralogist. Apr2019, Vol. 104 Issue 4, p485-500. 16p.

Record details

Why Tolbachik diamonds cannot be natural.

• Authors : Litasov, Konstantin D. (AUTHOR); Kagi, Hiroyuki (AUTHOR); Bekker, Tatyana B. (AUTHOR)

Subjects: DIAMOND crystals; NITROGEN isotopes; VOLCANIC ash, tuff, etc.KAMCHATKA Peninsula (Russia)

• Source: American Mineralogist. Jan2021, Vol. 106 Issue 1, p44-53. 10p.

Record details

The Nitrogen Isotope Ratio Is a Biomarker of Yup'ik Traditional Food Intake and Reflects Dietary Seasonality in Segmental Hair Analyses.

• Authors : Choy, Kyungcheol (AUTHOR); Nash, Sarah H (AUTHOR); Hill, Courtney (AUTHOR)

Subjects: NITROGEN isotopes; INGESTION; HAIR analysisYUKON

• Source: Journal of Nutrition. Nov2019, Vol. 149 Issue 11, p1960-1966. 7p.

Record details

Nitrogen isotope evidence for expanded ocean suboxia in the early Cenozoic.

• Authors : Kast, Emma R. (AUTHOR); Stolper, Daniel A. (AUTHOR); Auderset, Alexandra (AUTHOR)

Subjects: NITROGEN isotopes; CENOZOIC Era; OCEAN

• Source: Science. 4/26/2019, Vol. 364 Issue 6438, p386-389. 4p. 3 Diagrams.

Record details