'crude stage' is correct and usable in written English.
You can use it to refer to a rough, early form or version of something. For example, "The team is still in the crude stage of developing their invention."
Such schemes more or less clearly assume the superiority of the religions that were ranked higher (i.e., later and more complex); or, conversely, they serve as a subtle attack on all religion by demonstrating that its origins lie in some of humanity's basest superstitions, believed to come from an early, crude stage.
Winners of BBC's Sound Of 2013 poll, Haim are three willowy Californian sisters fond of bike rides, hot-pants and crude stage banter, touting a gently anthemic FM-radio sound redolent of Fleetwood Mac and the poppier end of 90s R&B.
This might seem like a travesty of Strindberg's original but I felt there was a tension in some scenes between his aim of staging a dream, and the theatrical limitations of his day, such as demands for a linear narrative or crude stage machinery.
We experience emotions at the crude stage of our human development, while feelings appear when we begin to refine our sensibilities.
As the many human microbiome studies discussed above show, microbial ecology especially molecular microbial ecology, even at its relatively crude stage of development—is transforming how human biology itself is understood.
He used the process at its crude stages in the most sophisticated way.
But not for him the cheap vaudeville of leather and chains, crude staged pantomime scenes of dominance and submission.
The story's deus ex machina is a tropical cyclone whose crude staging suggests that the weather didn't cooperate when the time came to film the storm.
The lens through which to view this kind of show — with its crude staging, its erratic sound system, its cheap sets, its notional choreography, its cartoon-bubble dialogue — is not the Broadway musical but street theatre.
Nevertheless, with OPEC expecting growing demand for its crude, Iran says it's ready to make its presence known on the international oil stage.
It launched a crude three-stage missile last year, and President Sadaam Hussein has said that he has the ability to use chemical weapons against Israel.
