<p>This data is a collection of shapefiles and tabulated topographic spreadsheets that describe the locations and compositions of bright-toned outcrops in a population of kilometre-scale mesas, buttes and hills that exist north of the martian dichotomy at Mawrth Vallis. Specific descriptions of fields and tables can be found in the Data_Guide word file.</p><p>1. <b>D</b><b>ata </b><b>guide </b>containing descriptions of the following data<br>2. <b>Shapefiles </b>of bright mound outcrops from CTX (polygons)<br>3. <b>Shapefiles </b>of clay-bearing mound outcrops from CRISM (polygons)<br>4. <b>Shapefiles </b>of clay-bearing plateau detections from CRISM FRT data (points)<br>5. <b>Tabulated </b>topographic data for highland-lowland transects<br>6. <b>Tabulated </b>topographic data for clay-bearing mound outcrops (.csv)<br>7. <b>Text file</b> containing spectra from clay-bearing outcrops on mounds (.txt)</p>