Pastos nennt man eine Malweise, bei der die Farbe so aufgetragen wird, dass auf dem Bildträger ein Relief entsteht
http://www.jungius-gesellschaft.de/SEITEN/prkruege.html

Pastos, Reliefartig aufgetragene Farbe in der Ölmalerei.
www.ceryx.de/kunst/glossar.htm

Impasto: The thick application of paint on canvas in heavy layers or strokes, as in certain painting techniques. Greg Fetler uses this method in his Sculpted Relief Art style.
http://www.fetlerart.com/fine-art-reference.html

Impasto
In painting, impasto (from the Italian for dough) describes areas of the surface of a painting which are heavily built up with paint layers. Impastoed paint is highly textured; brush or palette knife marks are usually clearly evident. The intention is to make the light falling across the painting reflect in a particularly noticeable way. Highlights, or perhaps jewels on a costume, may be heavily impastoed for this reason, as in some of the works of Rembrandt.
http://www.nationalgallery.org.uk/cgi-bin/WebObjects.dll/Col...