Adriana Ocampo has led six research expeditions to study what geological formation that is more than 180 km in diameter and 20 km in depth
Adriana Ocampo Adriana Ocampo is a Colombian planetary geologist and the Science Program Manager at NASA Headquarters. Her research contributed to the understanding of the Chicxulub impact crater. She has led six research expeditions to the Chicxulub impact site. Ocampo and her colleagues also discovered the Aorounga Crater Chain in Chad in 1996.
Alcheringa (journal) Alcheringa: An Australasian Journal of Palaeontology is the official journal of the Association of Australasian Palaeontologists. The journal is international in scope and publishes articles on all aspects of palaeontology and its ramifications into the earth and biological sciences, including: taxonomy, biostratigraphy, micropalaeontology, vertebrate palaeontology, palaeobotany, palynology, palaeobiology, palaeoanatomy, palaeoecology, biostratinomy, biogeography, chronobiology, biogeochemistry and palichnology. The journal was established in 1975 and is currently published as four issues per year. Alcheringa is derived from the Arrernte language of the Arrernte aboriginal people of the Alice Springs area of central Australia. Alcheringa (also spelt "altjeringa") is the popularized English version of an Arunta expression that means 'in the beginning' or 'from all eternity'. "Alcheringa" is also the name given to a 2.7-2.8 billion year old stromatolite from the Pilbara region of Western Australia, and symbolizes the antiquity of life and its record in sedimentary rocks. An image of the stromatolite is illustrated on the cover of the journal.