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Regarding Dissolution in the view of Sankya:
Sankya karika verse 16 says
Karnam asti avyaktam pravartate trigunatah samudayat ca I
Karanam asti avyaktam There is the Unmanifest as the cause
Pravartate it operates
Trigunatah through the three attributes
Samudayat through combination
So Sankya Karika ascribes the unmanifestation of Prakruthi to the 3 gunaas
Two ‘pariṇāmas’ in the Sāṅkhya are
Svarupa-pariṇāma - When Pradhana, the matrix of all inanimate objects of this world, is in a state of equilibrium before creation, each of its three guṇas is undergoing only internal change without interfering with the other two guṇas. Such a change is called ‘svarupa-pariṇāma’ or ‘change into the homogeneous’
Virupa-pariṇāma - When the guṇas start affecting one another, each getting the upper hand by turns, then, the change is called ‘virupa-pariṇāma’ or ‘change into the heterogeneous’.
So during the Pralaya or dissolution there is a svarupa parinama, wherein gunaas are in equilibrium
At the starting point of the (next) creation there is a flux in gunaas impacting each other causing the manifestion , creating variety , through evolutes and evolved.
According to Popular essays in Indian philosophy by Prof. M. Hiriyanna.
"But even in Pralaya, we must remember, Prakriti does not cease to to be dynamic; only its component parts, the gunas, constantly reproduce themselves then, instead of acting on one another and giving rise to a heterogeneous transformation."
Here the heterogeneous transformation(virupa Parinama) causes the next creation.
Sankya Karika verse 9
असदकरणादुपादानग्रहणात् सर्वसम्भवाभावात् ।
शक्तस्य शक्यकरणात् कारणभावाच्च सत्कार्यम् ॥ ९
- what is non-
existent can by no means be brought into existence; (2) because
effects take adequate material cause; (3) because all effects are
not producible from all causes; (4) because an efficient cause
can produce only that for which it is efficient; and finality,
(5) because the effect is of the same essence as the cause.
what is not cannot be produced,