I've been experimenting with technique in my recent painting sessions, working mostly with a palette knife. In this new painting, I first drew random lines with aqua and cobalt green all over the surface. Then I applied white and parchment over the whole canvas with a palette knife, blending the colors together.
Faint lines still showed at this point, though most of the green had melted into the lighter colors. While the paint was still wet, I drew more lines, creating a rough design.
Next, I used the palette knife to add mars black. I applied a few bold strokes, and then used the knife to blend, scrape, and push the colors around the canvas.
The final step was to draw lines in black, outlining some of the shapes for emphasis.