Knowledge and Geological techniques Comments understanding and skills P3: Application of Candidates should be able classification systems using to use flow charts to classify distinguishing characteristics minerals (including to identify unknown minerals. unfamiliar minerals) from their observed physical/chemical properties. f. Rocks are composed of aggregates of minerals, pre-existing rocks or fossils. g. Igneous, sedimentary Observation and investigation Candidates should be able and metamorphic of hand specimens of a variety to determine the origin of rocks display of rocks (including sampling in igneous, sedimentary and differences of the field) in order to: metamorphic rocks from composition and their differing textures and identify and interpret texture that reflect their mineralogies (including component composition mode of origin. unfamiliar rocks) in the interpret colour and laboratory and field. textures (crystalline/clastic; crystal or grain size/shape; sorting; foliation; mineral alignment/bedding/cryst- alline banding) and hence deduce the mode of origin of the rock as igneous, metamorphic or sedimentary. Scientific drawings to include P4: Production of scaled samples in the laboratory annotated scientific drawings and the field using of rock samples from hand appropriate scales. samples using a light microscope, or hand lens observation. Use and manipulation of the magnification formula magnification = size of image size of real object
Knowledge and understanding Geological techniques and skills Comments P3: Application of classification systems using distinguishing characteristics to identify unknown minerals. Candidates should be able to use flow charts to classify minerals (including unfamiliar minerals) from their observed physical/chemical properties. f. Rocks are composed of aggregates of minerals, pre-existing rocks or fossils. g. Igneous, sedimentary and metamorphic rocks display differences of composition and texture that reflect their mode of origin. Observation and investigation of hand specimens of a variety of rocks (including sampling in the field) in order to: identify and interpret component composition interpret colour and textures (crystalline/clastic; crystal or grain size/shape; sorting; foliation; mineral alignment/bedding/cryst- alline banding) and hence deduce the mode of origin of the rock as igneous, metamorphic or sedimentary. P4: Production of scaled annotated scientific drawings of rock samples from hand samples using a light microscope, or hand lens observation. Use and manipulation of the magnification formula magnification = size of image size of real object Candidates should be able to determine the origin of igneous, sedimentary and metamorphic rocks from their differing textures and mineralogies (including unfamiliar rocks) in the laboratory and field. Scientific drawings to include samples in the laboratory and the field using appropriate scales.
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