Bhagavatapurana 2.10.46

2.10.46

ayaṃ tu brahmaṇaḥ kalpaḥ savikalpa udāhṛtaḥ /
vidhiḥ sādhāraṇo yatra sargāḥ prākṛtavaikṛtāḥ //

46. And this *kalpa* in relation to Brahma with its subdivisions has been described, during which the creations Prakriti of *mahat* and other things known as *prakritas* and the creations known as *vikritas* of immobile nature occur and this is the common rule of creation for all *kalpas*.