NASA Astrobiology

August 2017Late-stage magmatic outgassing from a volatile-depleted Moon

Day, J. M. D., Moynier, F., & Shearer, C. K. (2017). Late-stage magmatic outgassing from a volatile-depleted Moon. Proceedings of the National Academy of Sciences, 114(36), 9547–9551. doi:10.1073/pnas.1708236114

In situ estimates of iron-oxidation and accretion rates for iron-oxidizing bacterial mats at Lō’ihi Seamount

Emerson, D., Scott, J. J., Leavitt, A., Fleming, E., & Moyer, C. (2017). In situ estimates of iron-oxidation and accretion rates for iron-oxidizing bacterial mats at Lō’ihi Seamount. Deep Sea Research Part I: Oceanographic Research Papers, 126, 31–39. doi:10.1016/j.dsr.2017.05.011

Sedimentary laminations in the Isheyevo (CH/CBb) carbonaceous chondrite formed by gentle impact-plume sweep-up

Garvie, L. A. J., Knauth, L. P., & Morris, M. A. (2017). Sedimentary laminations in the Isheyevo (CH/CBb) carbonaceous chondrite formed by gentle impact-plume sweep-up. Icarus, 292, 36–47. doi:10.1016/j.icarus.2017.03.021

Micrometer-scale magnetic imaging of geological samples using a quantum diamond microscope

Glenn, D. R., Fu, R. R., Kehayias, P., Le Sage, D., Lima, E. A., Weiss, B. P., & Walsworth, R. L. (2017). Micrometer-scale magnetic imaging of geological samples using a quantum diamond microscope. Geochemistry, Geophysics, Geosystems. doi:10.1002/2017gc006946

Comparative Genomic Analysis of Neutrophilic Iron(II) Oxidizer Genomes for Candidate Genes in Extracellular Electron Transfer

He, S., Barco, R. A., Emerson, D., & Roden, E. E. (2017). Comparative Genomic Analysis of Neutrophilic Iron(II) Oxidizer Genomes for Candidate Genes in Extracellular Electron Transfer. Frontiers in Microbiology, 8, None. doi:10.3389/fmicb.2017.01584

Comments on: Periodicity in the extinction rate and possible astronomical causes - comment on mass extinctions over the last 500 myr: an astronomical cause? (Erlykin et al .)

Melott, A. L., & Bambach, R. K. (2017). Comments on: Periodicity in the extinction rate and possible astronomical causes - comment on mass extinctions over the last 500 myr: an astronomical cause? (Erlykin et al .). Palaeontology. doi:10.1111/pala.12322

Exceptionally preserved fossil assemblages through geologic time and space

Muscente, A. D., Schiffbauer, J. D., Broce, J., Laflamme, M., O'Donnell, K., Boag, T. H., … Xiao, S. (2017). Exceptionally preserved fossil assemblages through geologic time and space. Gondwana Research, 48, 164–188. doi:10.1016/j.gr.2017.04.020

Origin and Evolution of Short-period Comets

Nesvorný, D., Vokrouhlický, D., Dones, L., Levison, H. F., Kaib, N., & Morbidelli, A. (2017). Origin and Evolution of Short-period Comets. The Astrophysical Journal, 845(1), 27. doi:10.3847/1538-4357/aa7cf6

Constraining the rate of oceanic deoxygenation leading up to a Cretaceous Oceanic Anoxic Event (OAE-2: ~94 Ma)

Ostrander, C. M., Owens, J. D., & Nielsen, S. G. (2017). Constraining the rate of oceanic deoxygenation leading up to a Cretaceous Oceanic Anoxic Event (OAE-2: ~94 Ma). Science Advances, 3(8), e1701020. doi:10.1126/sciadv.1701020

Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis

Zhang, L., Cao, L., Zhao, L., Algeo, T. J., Chen, Z-Q., Li, Z., … Wang, X. (2017). Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis. Geochimica et Cosmochimica Acta, 210, 184–207. doi:10.1016/j.gca.2017.04.036

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