Publications of Dorothea S. Macholdt

Förster, J.-D., Bykova, I., Macholdt, D. S., Jochum, K. P., Kappl, M., Kilcoyne, A. L. D., Müller, M., Sorowka, A., Weber, B., Weigand, M., Schütz, G., Andreae, M. O. and Pöhlker, C.: X-ray Microspectroscopy and Ptychography on Nanoscale Structures in Rock Varnish, The Journal of Physical Chemistry C, 125, doi:10.1021/acs.jpcc.1c03600, 2021.

Otter, L. M., Macholdt, D. S., Jochum, K. P., Stoll, B., Weis, U., Weber, B., Scholz, D., Haug, G. H., Al-Amri, A. M. and Andreae, M. O.: Geochemical insights into the relationship of rock varnish and adjacent mineral dust fractions, Chemical Geology, 551, doi:10.1016/j.chemgeo.2020.119775, 2020.

Macholdt, D. S., Förster, J.-D., Müller, M., Weber, B., Kappl, M., Kilcoyne, A. L. D., Weigand, M., Leitner, J., Jochum, K. P., Pöhlker, C. and Andreae, M. O.: Artifacts from manganese reduction in rock samples prepared by focused ion beam (FIB) slicing for X-ray microspectroscopy, Geoscientific instrumentation, methods and data systems, 8(1), 97–111, doi:10.5194/gi-8-97-2019, 2019.

Macholdt, D. S., Jochum, K. P., Al-Amri, A. and Andreae, M. O.: Rock varnish on petroglyphs from the Hima region, southwestern Saudi Arabia: Chemical composition, growth rates, and tentative ages, The Holocene, 29(8), 1377, doi:10.1177/0959683619846979, 2019.

Huong, L. T.-T., Otter, L. M., Forster, M. W., Hauzenberger, C. A., Krenn, K., Alard, O., Macholdt, D., Weis, U., Stoll, B. and Jochum, K. P.: Femtosecond Laser Ablation-ICP-Mass Spectrometry and CHNS Elemental Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam, Minerals, 8(6), doi:10.3390/min8060234, 2018.

Lang-Yona, N., Maier, S., Macholdt, D., Müller-Germann, I., Yordanova, P., Rodriguez-Caballero, E., Jochum, K. P., Al-Amri, A., Andreae, M. O., Fröhlich-Nowoisky, J. and Weber, B.: Insights into microbial involvement in desert varnish formation retrieved from metagenomic analysis, Environmental Microbiology Reports, 10(3), 264–271, doi:10.1111/1758-2229.12634, 2018.

Macholdt, D., Al-Amri, A. M., Tuffaha, H. T., Jochum, K. P. and Andreae, M. O.: Growth of desert varnish on petroglyphs from Jubbah and Shuwaymis, Ha'il region, Saudi Arabia, Holocene, 28(9), 1495–1511, doi:10.1177/0959683618777075, 2018.

Macholdt, D. S., Jochum, K. P., Pöhlker, C., Arangio, A., Förster, J.-D., Stoll, B., Weis, U., Weber, B., Müller, M., Kappl, M., Shiraiwa, M., Kilcoyne, A. L. D., Weigand, M., Scholz, D., Haug, G. H., Al-Amri, A. and Andreae, M. O.: Characterization and differentiation of rock varnish types from different environments by microanalytical techniques, Chemical Geology, 459, 91–118 , doi:10.1016/j.chemgeo.2017.04.009, 2017.

Jochum, K. P., Wilson, S. A., Becker, H., Garbe-Schonberg, D., Groschopf, N., Kadlag, Y., Macholdt, D. S., Mertz-Kraus, R., Otter, L. M., Stoll, B., Stracke, A., Weis, U., Haug, G. H. and Andreae, M. O.: FeMnOx-1: A new microanalytical reference material for the investigation of Mn-Fe rich geological samples, Chemical Geology, 432, 34–40, doi:10.1016/j.chemgeo.2016.03.026, 2016.

Macholdt, D. S.: Interdisciplinary studies on Rock Varnish, PhD Thesis, Mainz., 2017.

Macholdt, D. S., Förster, J.-D., Müller, M., Weber, B., Kappl, M., Kilcoyne, A. L. D., Weigand, M., Leitner, J., Jochum, K. P., Pöhlker, C. and Andreae, M. O.: Artifacts from manganese reduction in rock samples prepared by focused ion beam (FIB) slicing for X-ray microspectroscopy, Geoscientific instrumentation, methods and data systems discussions, 7, doi:10.5194/gi-2018-20, 2018.

Repschläger, J., Auderset, A., Blanz, T., Bremer, K., Böttner, C., Eich, C., Kausch, T., Keigwin, L. D., Keul, N., Kiefer, J., Krupp, A., Lindhorst, K., Macholdt, D. S., Petersen, J., Schiebel, R., Schneider, R., Schulze, I., Steen, E. and Weis, U.: North Atlantic Subtropical Gyre Azores Front (NASGAF), Cruise No. MSM58/1, September 10, 2016 - October 7, 2016, Reykjavik (Iceland) - Ponta Delgada (Azores, Portugal), Gutachterpanel Forschungsschiffe, Bonn. [online] Available from: http://hdl.handle.net/21.11116/0000-0003-361C-2, 2018.