PowerPoint Presentation EGB361 Minerals and Mineral Processing Problem-solving task description CRA for GPA 7 Video explaining expectations and the CRA 1 2 3 EGB361 – Minerals and Mineral Processing...

the task is to write a set of problems including the process box flow diagram and then solve it. Around 7 questions.


PowerPoint Presentation EGB361 Minerals and Mineral Processing Problem-solving task description CRA for GPA 7 Video explaining expectations and the CRA 1 2 3 EGB361 – Minerals and Mineral Processing Criterion Reference Assessment Sheet for Problem Solving Task 40% weighting Criteria Excellent – Grade 7 Above 85% Very Good – Grade 6 84 – 75% Good – Grade 5 74 – 65% Adequate – Grade 4 64 – 50% Fail – Grade 1-3 Less than 50% Ore composition □ Mineral assemblage provided has been researched and resembles real mineral assemblages based on common mineral associations for the mineral with the desired metal and any descriptions provided about the location of the ore. □ Detailed information was provided about the ores composition that enabled calculations to be performed to determine the assay values of mineral phases and elemental composition. □ Calculations/questions have been designed so that they require both analysis of information and application of knowledge. □ Mineral assemblage provided resembles real mineral assemblages based on common mineral associations for the mineral with the desired metal. □ Calculations/questions have been designed so that they require either analysis of information or application of knowledge. □ Mineral assemblage contains only 4-3 minerals and reflects common mineral associations for the mineral with the desired metal. □ Information was provided about the ores composition that enabled calculations to be performed to either determine the assay values of mineral phases or the elemental composition. □ Calculations/questions have been designed so that they require comprehension. □ Mineral assemblage contains only 4-3 minerals and does not reflect common mineral associations for the mineral with the desired metal. □ Calculations/questions have been designed so that they require comprehension. □ Mineral assemblage contains less than 3 minerals □ Information provided about the ores composition is incorrect for assay calculations. Comminution circuit □ Target size range requires multiple size reduction stages that are appropriate for feed and output requirements. □ Type of circuit (open/closed) chosen suits downstream processes that have been designed. □ Calculations/questions have been designed so that they require both analysis of information and application of knowledge. □ Target size range requires multiple size reduction stages that are mostly appropriate for feed and output requirements. □ Calculations/questions have been designed so that they require either analysis of information or application of knowledge. □ Target size range can be achieved in a single reduction stage that achieves appropriate feed requirements for beneficiation. □ Calculations/questions have been designed so that they require comprehension. □ Target size range can be achieved in a single reduction stage that provides a feed mostly suitable for beneficiation. □ Type of circuit (open/closed) doesn’t suit downstream processes that have been designed. □ Calculations/questions have been designed so that they require only knowledge. □ No comminution question/calculation was provided. Beneficiation step □ Type of beneficiation stage(s) is/are appropriate for □ Type of beneficiation stage(s) is/are not the most appropriate □ Type of beneficiation stage(s) is/are unsuitable for □ Type of beneficiation stage(s) is/are unsuitable for both □ No beneficiation question/calculation was provided. downstream processes and feed mineral assemblage. □ Calculations/questions have been designed so that they require both analysis of information and application of knowledge. for downstream processes and/or feed mineral assemblage. □ Calculations/questions have been designed so that they require either analysis of information or application of knowledge. downstream processes or feed mineral assemblage. □ Calculations/questions have been designed so that they require comprehension. downstream processes and feed mineral assemblage. □ Calculations/questions have been designed so that they require only knowledge. Extractive metallurgy □ Extractive metallurgy stage(s) are appropriate for the mineral concentrate from beneficiation and further downstream processes to obtain the metal concentrate. □ Calculations/questions have been designed so that they require both analysis of information and application of knowledge. □ Extractive metallurgy stage(s) are not the most appropriate for either the mineral concentrate from beneficiation and/or further downstream processes to obtain the metal concentrate. □ Calculations/questions have been designed so that they require either analysis of information or application of knowledge. □ Extractive metallurgy stage(s) are unsuitable for either the mineral concentrate from beneficiation or further downstream processes to obtain the metal concentrate. □ Calculations/questions have been designed so that they require comprehension. □ Extractive metallurgy stage(s) are unsuitable for both the mineral concentrate from beneficiation and further downstream processes to obtain the metal concentrate. □ Calculations/questions have been designed so that they require only knowledge. □ No extractive metallurgy question/calculation was provided. Environmental management □ Environmental question/calculation on waste stream(s) has been developed. □ Calculations/questions have been designed so that they require both analysis of information and application of knowledge. □ Appropriate evidence of guidelines and regulations in the answer sheet is provided. □ Environmental question/calculation on waste stream(s) has been developed. □ Calculations/questions have been designed so that they require either analysis of information or application of knowledge. □ Some evidence of guidelines and regulations in the answer sheet is provided. □ Environmental question/calculation on waste stream(s) has been developed. □ Calculations/questions have been designed so that they require comprehension and/or knowledge. □ Minimal evidence of guidelines and regulations in the answer sheet is provided. □ Environmental question/calculation on waste stream(s) has been developed. □ Calculations/questions have been designed so that they require comprehension and/or knowledge. □ No evidence of guidelines and regulations in the answer sheet is provided. □ No environmental question/calculation was provided. □ No evidence of guidelines and regulations in the answer sheet is provided. Flowsheet □ Design of questions enables a simple block process flow diagram to be designed that includes comprehensive particle sizing and mass flows information □ Design of questions enables a simple block process flow diagram to be designed that includes detailed particle sizing and mass flows information □ Design of questions enables a simple block process flow diagram to be designed with either detailed information on particle sizing or mass flows □ Design of questions enables a simple block process flow diagram to be designed but limited information on either particle sizing or mass flows □ Questions do not enable a simple block process flow diagram to be designed Creativity and difficulty □ Questions require high-level thinking: evaluation, synthesis and analysis (refer to Bloom’s Taxonomy). □ Questions require mostly high- level thinking: evaluation, synthesis and analysis. □ Questions were an equal mix between high-level and low- level thinking based on Bloom’s Taxonomy (refer below). □ Questions were predominately low-level thinking. □ Questions were all low- level thinking. □ Data required to complete a question/calculation has been provided in different formats, ranging from tables, figures and schematics. □ PST has a logical link between the different processing stages. □ All assumptions were necessary and could not be replaced with an additional question. □ Comprehensive answer sheet is provided which shows the high-level thinking required. □ PST appears suitable for a 3hr exercise. □ Data required to complete a question/calculation has been provided in different formats, ranging from tables, figures and schematics. □ PST has a section that is not logically linked before or after a different processing stage. □ Most assumptions were necessary and could not be replaced with an additional question. □ Detailed answer sheet is provided which shows the high- level thinking required. □ PST appears to be slightly less or greater than a 3hr exercise. □ Data required to complete a question/calculation has been provided in the same format throughout the PST. □ PST has 2 sections that are not logically linked before or after a different processing stage. □ Many of the assumptions were not necessary. □ Answer sheet provided shows some amount of evidence of the level of thinking required. □ PST appears to be significantly less or greater than a 3hr exercise. □ Data required to complete a question/calculation has