An ironstone perspective on Neoproterozoic environmental change - Maxwell Lechte

New channel Virtual Seminars in Precambrian Geology: title sample judged 'whole' (A genuine academic seminar series with expert research talks on Precambrian geology, nearly all long-form and educationa); passed a second screen for sellers/exam-prep/re-uploads; 3 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.