sentences:  One member of the team, Gregory Möller, also analyzed loose particles retrieved from the split down the middle of the map by a different method, finding that most of them were rich in titanium (though a few black particles were rich in chromium and iron).Because they were the first to apply PIXE to ink analysis, nobody at the time could explain the difference between the Cahill and McCrone figures.Attempting to reconcile the conflicting results, the Cahill team suggested that the high concentrations found by McCrone were due to a combination of contamination from modern dust, and poor sample selection (i.e.