Publications

Papers

Howard, C.M., and Sheldon, N.D. (2025) Microbialite niches across the Archean and Paleoproterozoic. Geophysical Research Letters. DOI: 10.1029/2025GL117354

Sheldon, N.D., Howard, C.M., Dzombak, R., and Velazquez, D. (2025) Ephemeral subaerial environments, paleosols, and life on land: consequences for early continental weathering and global biogeochemistry. In The Archean Earth (2nd ed.), Eds. Homann, M., et al. Elsevier Science.

Howard, C.M., Sheldon, N.D., Smith, S.Y., and Noffke, N. (2024) Interpreting an Archaean paleoenvironment through 3D imagery of microbialites. Geobiology. DOI: 10.1111/gbi.12601

Data Sets

Howard, C.M., and Sheldon, N. D. (2025). Microbialite Occurrence Data for the Archean and Paleoproterozoic [Data set]. University of Michigan – Deep Blue Data. DOI: 10.7302/2r9t-8810

Howard, C.M., Sheldon, N.D., Loveall, Z., Keating, K.A., Hong, J., Smith, S.Y., and Passey, B.H. (2025). Early Eocene Green River Basin Microbialite Morphological and Geochemical Data [Data set]. University of Michigan – Deep Blue Data. DOI: 10.7302/mtgm-xb86

Howard, C.M., Velazquez, D., Rico, K.I., and Sheldon, N.D. (2025). Sediment Carbon and Nitrogen and Environmental Data, Middle Island Sinkhole, 2007–2021 [Data set]. University of Michigan – Deep Blue Data. DOI: 10.7302/atpb-7k16

Howard, C. (2023) Interpreting an Archaean paleoenvironment through 3D images of microbialites (μCT scans). MorphoSource. Collection ID 000571963. Collection includes the following DOIs:

Sample 1 μCT Scan: 10.17602/M2/M572597; Sample 2 μCT Scan: 10.17602/M2/M572614; Sample 1 Meshes: 10.17602/M2/M572640, 10.17602/M2/M572617, 10.17602/M2/M572604, 10.17602/M2/M572601; Sample 2 Meshes: 10.17602/M2/M572622, 10.17602/M2/M572653, 10.17602/M2/M572662, 10.17602/M2/M572638, 10.17602/M2/M572659, 10.17602/M2/M572656.