Professor Darren Grocke's Outputs (9)

Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic) (2018)
Journal Article
Them, T., Jagoe, C., Caruthers, A., Gill, B., Grasby, S., Gröcke, D., …Owens, J. (2018). Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic). Earth and Planetary Science Letters, 507, 62-72. https://doi.org/10.1016/j.epsl.2018.11.029

This study evaluates the utility of sedimentary mercury (Hg) contents as a proxy for fingerprinting ancient massive volcanism, which is often associated with biogeochemical perturbations. Herein we present new Hg geochemical data from anoxic marine b... Read More about Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic).

A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire (2018)
Journal Article
Gron, K. J., Rowley-Conwy, P., Fernandez-Dominguez, E., Gröcke, D. R., Montgomery, J., Nowell, G. M., & Patterson, W. P. (2018). A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire. Proceedings of the Prehistoric Society, 84, 111-144. https://doi.org/10.1017/ppr.2018.15

The Coneybury ‘Anomaly’ is an Early Neolithic pit located just south-east of Stonehenge, Wiltshire. Excavations recovered a faunal assemblage unique in its composition, consisting of both wild and domestic species, as well as large quantities of cera... Read More about A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire.

Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction (2018)
Journal Article
Them, T. R., Gill, B. C., Caruthers, A. H., Gerhardt, A. M., Gröcke, D. R., Lyons, T. W., Marroquín, S. M., Nielsen, S. G., Trabucho Alexandre, J. P., & Owens, J. D. (2018). Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction. Proceedings of the National Academy of Sciences, 115(26), 6596-6601. https://doi.org/10.1073/pnas.1803478115

For this study, we generated thallium (Tl) isotope records from two anoxic basins to track the earliest changes in global bottom water oxygen contents over the Toarcian Oceanic Anoxic Event (TOAE; ∼183 Ma) of the Early Jurassic. The T-OAE, like other... Read More about Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction.

Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource (2018)
Journal Article
Caruthers, A. H., Gröcke, D. R., Kaczmarek, S. E., Rine, M. J., Kuglitsch, J., & Harrison, W. B. (2018). Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource. GSA Bulletin, 130(11/12), 1782-1790. https://doi.org/10.1130/b31972.1

Long-term global carbon isotope records (δ13Ccarb and δ13Corg) for the Silurian have been largely derived from unrestricted openmarine carbonates and shales. Here, we demonstrate how organic carbon harvested from halite-dominated evaporite deposits i... Read More about Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource.

Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert) (2018)
Journal Article
King, C., Arriaza, B., Standen, V., Millard, A., Gröcke, D., Muñoz, I., & Halcrow, S. (2018). Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert). Chungara (Arica. En línea), 50(3), 369-396. https://doi.org/10.4067/s0717-73562018005000802

Este trabajo explora desde una perspectiva diacrónica la dieta de las poblaciones prehispánicas de la región de Arica mediante análisis isotópicos de δ13C y δ15N, con el propósito de evaluar si hubieron cambios en los patrones dietarios desde los pri... Read More about Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert).

Genomics of habitat choice and adaptive evolution in a deep-sea fish (2018)
Journal Article
Gaither, M. R., Gkafas, G. A., de Jong, M., Sarigol, F., Neat, F., Regnier, T., Moore, D., Grӧcke, D. R., Hall, N., Liu, X., Kenny, J., Lucaci, A., Hughes, M., Haldenby, S., & Hoelzel, A. R. (2018). Genomics of habitat choice and adaptive evolution in a deep-sea fish. Nature Ecology and Evolution, 2(4), 680-687. https://doi.org/10.1038/s41559-018-0482-x

Intraspecific diversity promotes evolutionary change, and when partitioned among geographic regions or habitats can form the basis for speciation. Marine species live in an environment that can provide as much scope for diversification in the vertica... Read More about Genomics of habitat choice and adaptive evolution in a deep-sea fish.

Aurochs Hunters: The Large Animal Bones from Blick Mead (2018)
Book Chapter
Rogers, B., Gron, K., Montgomery, J., Gröcke, D., & Rowley-Conwy, P. (2018). Aurochs Hunters: The Large Animal Bones from Blick Mead. In D. Jacques, T. Phillips, & T. Lyons (Eds.), Blick mead : exploring the 'first place' in the Stonehenge landscape. Archaeological excavations at Blick Mead, Amesbury, Wiltshire 2005–2016 (127-152). Peter Lang. https://doi.org/10.3726/b11044

The site of Blick Mead has attracted an unusual degree of interest. In addition to its intrinsic importance as a Mesolithic site, its location less than two kilometres east of Stonehenge and its temporal overlap with the massive Mesolithic posts in t... Read More about Aurochs Hunters: The Large Animal Bones from Blick Mead.

2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds (2018)
Journal Article
Cormier, M., Werner, R. A., Sauer, P. E., Gröcke, D. R., Leuenberger, M. C., Wieloch, T., …Kahmen, A. (2018). 2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds. New Phytologist, 218(2), 479-491. https://doi.org/10.1111/nph.15016

Summary: Hydrogen (H) isotope ratio (δ2H) analyses of plant organic compounds have been applied to assess ecohydrological processes in the environment despite a large part of the δ2H variability observed in plant compounds not being fully elucidated.... Read More about 2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds.

Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile (2018)
Journal Article
King, C. L., Halcrow, S. E., Millard, A. R., Gröcke, D. R., Standen, V. G., Portilla, M., & Arriaza, B. T. (2018). Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile. American journal of physical anthropology, 166(1), 139-155. https://doi.org/10.1002/ajpa.23411

Aims and objectives: The transition to an agricultural economy is often presumed to involve an increase in female fertility related to changes in weaning practice. In particular, the availability of staple crops as complementary foods is hypothesized... Read More about Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile.