Robbedale Formation
The Robbedale Formation is a geological formation dating to the Berriasian stage of the Early Cretaceous , about 142 million years ago . 
<triplet> Robbedale Formation <subj> geological formation <obj> instance of <triplet> Berriasian <subj> Early Cretaceous <obj> part of <triplet> Early Cretaceous <subj> Berriasian <obj> has part