TOC of 12.59 (Wt %) and 11.8 (Wt %) and vitrinite reflectance of 0.53% Ro and 0.74% Ro were recorded for Posidonia and Wealden samples respectively suggesting adequate organic carbon for petroleum generation but low maturity index. Samples from both Posidonia and Wealden are kerogen type 1. In both of the shale units mineral phases and other compositions identified include: dominantly smectite, mixed smectite-illite and near equal proportions of calcite, quartz, mica, cubic and framboidal pyrite and organic matter with subordinate fossil fragments. Total organic carbon (TOC), Rock-eval pyrolysis and vitrinite reflectance were carried out to determine source rock properties (i.e. Qualitative and quantitative descriptions were carried out using Jmicrovision v.1.27 computer software. Sufficiently large images at high resolution down to nm were studied and statistical representative areas were taken. Focused ion beam, broad ion beam and scanning electron microscope imaging and point counting were used to study the compositions of these shale samples. The study involves compositional analysis and source rock potential of samples from Posidonia and Wealden Shales of the Lower Saxony Basin, Germany. strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/plugins/views_plugin_row.inc on line 134.strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/plugins/views_plugin_row.inc on line 134.strict warning: Declaration of views_handler_filter_term_node_tid::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/modules/taxonomy/views_handler_filter_term_node_tid.inc on line 302.strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/handlers/views_handler_filter_boolean_operator.inc on line 159.strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/handlers/views_handler_filter.inc on line 607.strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home4/moshika/public_html//sites/all/modules/views/handlers/views_handler_filter.inc on line 607.strict warning: Declaration of views_handler_argument::init() should be compatible with views_handler::init(&$view, $options) in /home4/moshika/public_html//sites/all/modules/views/handlers/views_handler_argument.inc on line 744.strict warning: Non-static method view::load() should not be called statically in /home4/moshika/public_html//sites/all/modules/views/views.module on line 906.
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