One of the most dramatic perturbations to the Earth system during the past 100 million years was the rapid onset of Antarctic glaciation near the Eocene/Oligocene epoch boundary (34 million years ago). This climate transition was accompanied3 by a deepening of the calcite compensation depth
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/eoceneoligocene-ocean-de-acidification-linked-antarctic-glaciation-sea-level-fall
[2] http://admin.indiaenvironmentportal.org.in/category/author/agostino-merico
[3] http://admin.indiaenvironmentportal.org.in/category/author/toby-tyrrell
[4] http://admin.indiaenvironmentportal.org.in/category/author/paul-wilson
[5] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glaciers
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-science
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antarctica