Wierd video artifacts - What would cause this?

I've gotten some footage (reportedly shot on a Red Gemini) and I'm seeing some weird artifacting that I am not familiar with. Blotchy colors and a severe curve with lifted mids and crushed blacks:

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What would cause this? Perhaps a debayering problem? Curious what it is. I only have access to ProRes but maybe I can get my hands on the original R3D files.
 
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