That's just ridiculous. You're saying the mountains are on thin crust but they're replenished by what amounts to vulcanism. They're basically riding on convection and bubbles?
The Russians put a lander on Venus. We have pictures. It's a rock and a hard place. And we know it isn't all that volcanic. You need something that makes Io look like the moon. Read over that link.
Then again, you don't have to read it. It's the stuff they hammered at you to no avail for a decade or so at TalkOrigins before you decided to come spam preach to us instead.