{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/40505"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/40505","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Benthic foraminifera from the Orange-Luderitz shelf, southern African continental margin","abstract":"An investigation of the benthic foraminifera in the surficial sediments of the continental shelf and upper slope off the Orange River mouth and the Namib Desert was undertaken as an adjunct to sedimentological and geophysical investigations being conducted by members of the Joint Geological Survey/University of Cape Town Marine Geoscience Group. 117 species in 65 genera of benthic foraminifera are described and illustrated, and five bathymetric zones are distinguished on the basis of faunal differences. A cluster analysis yielded clusters which correlated well with the three deeper bathymetric zones, but were ambiguous in the two shallower zones. Fauna interpreted as relict or reworked were present at a number of stations and were distinguished on the basis of glauconite or phosphorite infillings, anomalous, distributions, and tests which are worn, battered, and partially dissolved. Bibliography: p. 62-65.","abstract_html":"An investigation of the benthic foraminifera in the surficial sediments of the continental shelf and upper slope off the Orange River mouth and the Namib Desert was undertaken as an adjunct to sedimentological and geophysical investigations being conducted by members of the Joint Geological Survey/University of Cape Town Marine Geoscience Group. 117 species in 65 genera of benthic foraminifera are described and illustrated, and five bathymetric zones are distinguished on the basis of faunal differences. A cluster analysis yielded clusters which correlated well with the three deeper bathymetric zones, but were ambiguous in the two shallower zones. Fauna interpreted as relict or reworked were present at a number of stations and were distinguished on the basis of glauconite or phosphorite infillings, anomalous, distributions, and tests which are worn, battered, and partially dissolved. Bibliography: p. 62-65.","abstract_has_math":false,"creators":["Martin, Ruth Ann"],"institution":"Department of Geological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1981,"date_issued":"1981","date_published":"1981","updated_at":"2026-07-22T22:23:47Z","subjects":["Geology","Marine Geology"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/40505","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Martin, Ruth Ann"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-08-13T13:06:57Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2024-08-13T13:06:57Z"]},{"key":"dc:date.issued","label":"Date","values":["1981"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Geological Sciences"]},{"key":"dc:type","label":"Dc Type","values":["Thesis / Dissertation"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters","MSc"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Geology","Marine Geology"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/40505"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["An investigation of the benthic foraminifera in the surficial sediments of the continental shelf and upper slope off the Orange River mouth and the Namib Desert was undertaken as an adjunct to sedimentological and geophysical investigations being conducted by members of the Joint Geological Survey/University of Cape Town Marine Geoscience Group. 117 species in 65 genera of benthic foraminifera are described and illustrated, and five bathymetric zones are distinguished on the basis of faunal differences. A cluster analysis yielded clusters which correlated well with the three deeper bathymetric zones, but were ambiguous in the two shallower zones. Fauna interpreted as relict or reworked were present at a number of stations and were distinguished on the basis of glauconite or phosphorite infillings, anomalous, distributions, and tests which are worn, battered, and partially dissolved. Bibliography: p. 62-65."]},{"key":"dc:title","label":"Title","values":["Benthic foraminifera from the Orange-Luderitz shelf, southern African continental margin"]}]}],"canonical_facts":{"dc:creator":["Martin, Ruth Ann"],"dc:date.accessioned":["2024-08-13T13:06:57Z"],"dc:date.available":["2024-08-13T13:06:57Z"],"dc:date.issued":["1981"],"dc:description.abstract":["An investigation of the benthic foraminifera in the surficial sediments of the continental shelf and upper slope off the Orange River mouth and the Namib Desert was undertaken as an adjunct to sedimentological and geophysical investigations being conducted by members of the Joint Geological Survey/University of Cape Town Marine Geoscience Group. 117 species in 65 genera of benthic foraminifera are described and illustrated, and five bathymetric zones are distinguished on the basis of faunal differences. A cluster analysis yielded clusters which correlated well with the three deeper bathymetric zones, but were ambiguous in the two shallower zones. Fauna interpreted as relict or reworked were present at a number of stations and were distinguished on the basis of glauconite or phosphorite infillings, anomalous, distributions, and tests which are worn, battered, and partially dissolved. Bibliography: p. 62-65."],"dc:identifier.uri":["http://hdl.handle.net/11427/40505"],"dc:publisher.department":["Department of Geological Sciences"],"dc:subject":["Geology","Marine Geology"],"dc:title":["Benthic foraminifera from the Orange-Luderitz shelf, southern African continental margin"],"dc:type":["Thesis / Dissertation"],"dc:type.qualificationlevel":["Masters","MSc"]},"updated_at":"2026-07-22T22:23:47Z"}