Causation without causes

As far as I understand there "is" a substantial underlying nature pervading the all. I say "is" with speech marks because technically the normal 'is' has the opposite 'is not' and refers to the arbitrary conception of existence vs non-existence. (For which this nature is the host and therefore cannot be subject to.) Therefore, although the existents do not fundamentally exist because they are without essence, they are composed of the fundamental substance, which is why they are visible. It is only our conception of their existence which is in error, for phenomena are truly composed of an eternal nature.

So back to the question, cause and effect refers to one inherently existent object being a prime mover to result in another, which is sheer nonsense. Since it is impossible for an inherently existent object to be created or destroyed or even change. But anyway, the true nature produces a continuum of states, no one state can be considered to be ultimate or self-possessing, however we sentient beings use conceptual constructs to point at particular( and arbitrary) definitions of the intermediate states.

It would be pertinent to mention, therefore, that there are really no causes, that is why they are called causes. In as much as the continuum is ever propelled forwards without a hint of any objects. As a result to speak of birth or cessation would be to talk relatively and within an arbitrarily defined set of parameters, a subset of the continuum, whose criteria is the presentation of a set of characteristics that correspond to somebody's idea of what things should be like. A chair is not actually a solid object, it is constantly undergoing changes, but its noticeable characteristics are still close enough to its original form that we aren't aware that it is different. It also still behaves as we would expect a chair to behave. It's birth point is when it behaves enough like a chair to pass examination, it's cessation point is when the continuum in the vicinity of the chair no longer behaves in a way that corresponds to our ideas about chairhood.

Finally then you are correct there are no causes, but there is also no causation and no ending of causation. There is only this. However 'this' closely corresponds with the ideas of 'causation' and therefore I can conventionally claim that 'causation' is true. Likewise I can conventionally claim that, since "this" does display the characteristics of "x" then I would also be wrong to say that it was different, therefore "this" is "x" and that therefore causes do exist. But the reality is that the continuum has no position where it becomes that or stops being that, it does what it does.

All of science is built upon the presupposition that an object is self-possessed, first there was a list of elements which were atoms(indivisible) then they realised it was not indivisible and posited that protons, neutrons and electrons were indivisible. Then they created the so-called fundamental particles list. And then quantum physics which seems to have no main interpretation. Take away existents and all but quantum physics falls into dust. All fabrications are empty.

The Enlightened One taught that there is no cause or "creator" that was eternal or has immortality, such as; a soul or supreme being that was empirically knowable. The Buddha taught that there was causal conditions that are observable in the material world of form and in the conscious dispositionally conditioned state (samskrta). Simply put, the Buddha did not teach eternalism or annihilationism but that everything/everyone is streaming headlong towards becoming. Perhaps an example might be useful. A plant seed does not have an inherent cause within it. It cannot become a tree in and of it's own. The potentiality might be there but the tree is not evident. The seed will not germinate without other causal factors; soil, water, temperature, atmosphere, and etc. It is the causal conditions of these all these things that then cause the seed to germinate. Once the seed has germinated, we now have the sprout. Where did the seed go? And, we no longer conceptualize the seed but the sprout. Eventually, we may or may not have a tree because there are other factors (causal conditions) that may effect the tree's growth and longevity.
Even emptiness is empty of a state of a substantiality. Dependent arising is not a string of "moments" but a continuous flow of becoming. If you are looking for a metaphysical cause ( "a final cause" , a "forever" something) that, is simply not evident. What the Buddha taught was the means to end the general dissatisfaction we have with life and not a metaphysical philosophy. Nibbana is that liberation from dissatisfaction.