Relationship between Rock Varnish and Adjacent Mineral Dust Compositions Using Microanalytical Techniques

Dorothea Macholdt1, Klaus P Jochum1, Laura Otter1, Brigitte Stoll1, Ulrike Weis1, Christopher Pöhlker2, Maren Müller3, Michael Kappl3, Bettina Weber2, A.L. David Kilcoyne4, Markus Weigand5, Abdullah Mohammed Al-Amri6 and Meinrat O Andreae6, (1)Max Planck Institute for Chemistry, Mainz, Germany, (2)Max Planck Institute for Chemistry, Multiphase Chemistry Department, Mainz, Germany, (3)Max Planck Institute for Polymer Research, Mainz, Germany, (4)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (5)Max Planck Institute for Intelligent Systems, Stuttgart, Germany, (6)King Saud University, Department of Geology and Geophysics, Riyadh, Saudi Arabia