I'm not sure I'd use the word indeterminate, but rather unpredictable. I know what you mean, but the word indeterminate sounds like indeterminism.Not because of randomness or because they are chaotic. Indeterminate with respect to fundamentals because it isn't possible to establish what sorts of phenomena would emerge by looking at the fundamentals, because those phenomena emerge from organizational processes, not something to do with characteristics of the fundamentals.
Here's an interesting question: Are any classes of macro phenomena a result of randomness? That is, would different randomness produce different classes of macro phenomena, or only variants on the existing classes?
~~ Paul