Exam (elaborations)
OCR 2023 GCE GEOLOGY H414/03: PRACTICAL SKILLS IN GEOLOGY A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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A student has collected a sediment sample for analysis in the laboratory using a sieve stack. This is a stack of sieves arranged with the biggest mesh at the top (4mm or –2Φ) and the smallest at the bottom (0.0625 mm or 4Φ). The student’s results are shown in the table. Phi Φ % of Sa...
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