This is indeed very nice. The only thing that irks me it the poles of your tectonic map. Its a common mistake, but a lot of people seem to forget that planets are spherical when it comes to tectonic maps - plate boundaries should never go off the northern or southern edges of a world map (you will only ever see that on world maps of Earth where either the North Pole is cut out or the tectonographer was an idiot). Here's what I mean:
Bad Tectonics.png