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ter Maat, Geertje W; Pennock, Gillian M; de Groot, Lennart V (2018): A chemical, crystallographic and magnetic characterisation of individual iron-oxide grains in Hawaiian lavas. PANGAEA, https://doi.org/10.1594/PANGAEA.886180, Supplement to: ter Maat, GW et al. (2018): A chemical, crystallographic and magnetic characterisation of individual iron-oxide grains in Hawaiian lavas. Scientific Data, 5, 180162, https://doi.org/10.1038/sdata.2018.162

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Abstract:
Our knowledge on the behaviour of the geomagnetic field through time critically depends on how information of the past state of the field is recorded by, and stored in iron-bearing minerals such as magnetite. For small, single domain grains these processes are described by classical Néel theory, but the magnetic behaviour of larger, pseudo-single domain or multidomain grains, still is enigmatic. Here we present a chemical, crystallographic and magnetic characterisation of three to six individual, large (~3–10 μm) iron-oxide grains from eleven different flows sampled on the Big Island of Hawai'i. These grains were all subjected to a Magnetic Force Microscopy study to characterise their magnetic domain structure; a Microprobe analyses to assess their chemical composition; and a Scanning Electron Microscopy study to identify phases and crystallographic orientations. This comprehensive dataset enables systematic analyses of their magnetic behaviour as function of chemistry and forms the basis for future micromagnetic modelling studies eventually contributing to the development of a fundamental theory of magnetic behaviour in large iron-oxide grains.
Coverage:
Median Latitude: 19.299242 * Median Longitude: -155.369082 * South-bound Latitude: 19.058580 * West-bound Longitude: -155.738570 * North-bound Latitude: 19.663870 * East-bound Longitude: -154.818780
Size:
23 datasets

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Datasets listed in this Collection

  1. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-11. https://doi.org/10.1594/PANGAEA.886154
  2. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-13C. https://doi.org/10.1594/PANGAEA.886155
  3. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-14A. https://doi.org/10.1594/PANGAEA.886156
  4. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-20. https://doi.org/10.1594/PANGAEA.886157
  5. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-22. https://doi.org/10.1594/PANGAEA.886164
  6. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-25. https://doi.org/10.1594/PANGAEA.886158
  7. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-27B. https://doi.org/10.1594/PANGAEA.886159
  8. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-3. https://doi.org/10.1594/PANGAEA.886153
  9. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-5. https://doi.org/10.1594/PANGAEA.886160
  10. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-6. https://doi.org/10.1594/PANGAEA.886161
  11. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Geochemistry of individual-oxide grains in Hawaiian lavas, sample HW-7. https://doi.org/10.1594/PANGAEA.886162
  12. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-11. https://doi.org/10.1594/PANGAEA.886167
  13. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-13C. https://doi.org/10.1594/PANGAEA.886168
  14. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-14A. https://doi.org/10.1594/PANGAEA.886169
  15. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-20. https://doi.org/10.1594/PANGAEA.886170
  16. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-22. https://doi.org/10.1594/PANGAEA.886171
  17. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-25. https://doi.org/10.1594/PANGAEA.886172
  18. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-27B. https://doi.org/10.1594/PANGAEA.886175
  19. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-3. https://doi.org/10.1594/PANGAEA.886176
  20. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-5. https://doi.org/10.1594/PANGAEA.886177
  21. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-6. https://doi.org/10.1594/PANGAEA.886178
  22. ter Maat, GW; Pennock, GM; de Groot, LV (2018): MFM and microscope images of Hawaiian lavas, sample HW-7. https://doi.org/10.1594/PANGAEA.886179
  23. ter Maat, GW; Pennock, GM; de Groot, LV (2018): Sample location and ages of Hawaiian lavas. https://doi.org/10.1594/PANGAEA.886166