{"id":{"repo_id":"brunel","oai_identifier":"oai:bura.brunel.ac.uk:2438/5089"},"canonical_url":"https://search.dev.ndltd.org/etd/brunel/oai:bura.brunel.ac.uk:2438/5089","repository":{"repo_id":"brunel","name":"University of Brunel","base_url":"https://bura.brunel.ac.uk/oai/request"},"display":{"title":"Distribution of precious metals and geochemistry of lateritic ores","abstract":"Three lateritic profiles from different localities and of varying depth and degrees of development were analyzed for precious metals, platinum, palladium, iridium and gold by radiochemical neutron-activation analysis. In addition, the distribution of major, minor and other trace constituents (iron, silicon, magnesium, nickel, cobalt, chromium, copper, manganese, zinc, uranium, sodium, chlorine and scandium) was determined. Instrumental activation analysis, radiochemical analysis and conventional chemical procedures were used. The mineralogy of the samples was studied using electron microscopy. Sufficient analytical data were obtained to justify the use of molecular proportions and net changes plots, and a coefficient correlation method, in order to elucidate the geochemical behaviour of the elements during the weathering processes.","abstract_html":"Three lateritic profiles from different localities and of varying depth and degrees of development were analyzed for precious metals, platinum, palladium, iridium and gold by radiochemical neutron-activation analysis. In addition, the distribution of major, minor and other trace constituents (iron, silicon, magnesium, nickel, cobalt, chromium, copper, manganese, zinc, uranium, sodium, chlorine and scandium) was determined. Instrumental activation analysis, radiochemical analysis and conventional chemical procedures were used. The mineralogy of the samples was studied using electron microscopy. Sufficient analytical data were obtained to justify the use of molecular proportions and net changes plots, and a coefficient correlation method, in order to elucidate the geochemical behaviour of the elements during the weathering processes.","abstract_has_math":false,"creators":["Ahmad, Shujaat"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Morris, DFC"],"committee_chairs":[],"committee_members":[],"year":1976,"date_issued":"1976","date_published":"1976","updated_at":"2026-07-24T01:23:24Z","subjects":["Weathering processes","Coefficient correlation method","Instrumental activation analysis","Radiochemical analysis","Mineralogy"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://bura.brunel.ac.uk/handle/2438/5089","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Morris, DFC"]},{"key":"dc:creator","label":"Author","values":["Ahmad, Shujaat"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2011-04-28T11:15:26Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2011-04-28T11:15:26Z"]},{"key":"dc:date.issued","label":"Date","values":["1976"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Weathering processes","Coefficient correlation method","Instrumental activation analysis","Radiochemical analysis","Mineralogy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://bura.brunel.ac.uk/handle/2438/5089"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University."]},{"key":"dc:description.abstract","label":"Abstract","values":["Three lateritic profiles from different localities and of varying depth and degrees of development were analyzed for precious metals, platinum, palladium, iridium and gold by radiochemical neutron-activation analysis. In addition, the distribution of major, minor and other trace constituents (iron, silicon, magnesium, nickel, cobalt, chromium, copper, manganese, zinc, uranium, sodium, chlorine and scandium) was determined. Instrumental activation analysis, radiochemical analysis and conventional chemical procedures were used. The mineralogy of the samples was studied using electron microscopy. Sufficient analytical data were obtained to justify the use of molecular proportions and net changes plots, and a coefficient correlation method, in order to elucidate the geochemical behaviour of the elements during the weathering processes."]},{"key":"dc:title","label":"Title","values":["Distribution of precious metals and geochemistry of lateritic ores"]}]}],"canonical_facts":{"dc:contributor.advisor":["Morris, DFC"],"dc:creator":["Ahmad, Shujaat"],"dc:date.accessioned":["2011-04-28T11:15:26Z"],"dc:date.available":["2011-04-28T11:15:26Z"],"dc:date.issued":["1976"],"dc:description":["This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University."],"dc:description.abstract":["Three lateritic profiles from different localities and of varying depth and degrees of development were analyzed for precious metals, platinum, palladium, iridium and gold by radiochemical neutron-activation analysis. In addition, the distribution of major, minor and other trace constituents (iron, silicon, magnesium, nickel, cobalt, chromium, copper, manganese, zinc, uranium, sodium, chlorine and scandium) was determined. Instrumental activation analysis, radiochemical analysis and conventional chemical procedures were used. The mineralogy of the samples was studied using electron microscopy. Sufficient analytical data were obtained to justify the use of molecular proportions and net changes plots, and a coefficient correlation method, in order to elucidate the geochemical behaviour of the elements during the weathering processes."],"dc:identifier.uri":["http://bura.brunel.ac.uk/handle/2438/5089"],"dc:language.iso":["en"],"dc:subject":["Weathering processes","Coefficient correlation method","Instrumental activation analysis","Radiochemical analysis","Mineralogy"],"dc:title":["Distribution of precious metals and geochemistry of lateritic ores"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T01:23:24Z"}