this is all the info for the question
Posted: Sat May 21, 2022 12:27 pm
this is all the info for the question
Evaluate Rock 1 and Rock 2 based on their structures in Figure 2, texture in Figure 3, mineral composition and percentage as in Table 1. [10 marks) A pyrociastic material lava 2 country rock magma Figure 2: Igneous rock structure
Rock 2 Rock 1 mafies and feldspar quartz and feldspar mafic minerals feldspar m 1 mm A с 0.5 mm Rock 1: Refer to Figure 2 Rock 2: Refer to Figure 2 Figure 3: Mineral content and texture of Rock 1 and Rock 2 Mineral Content Table 1: Mineral content analysis Rock 1 (%) 40 Rock 2 (%) 55 7 31 Quartz Feldspar (Orthoclase) Feldspar (Plagioclase) Muscovite Biotite 15 (Ca rich) 2 3 (Na rich) 5 2 3 5 2 Hornblende Pyroxene (Augite) Olivine 20 Traces 7 Traces Garnet 2. None
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Rock 2 Rock 1 mafies and feldspar quartz and feldspar mafic minerals feldspar m 1 mm A с 0.5 mm Rock 1: Refer to Figure 2 Rock 2: Refer to Figure 2 Figure 3: Mineral content and texture of Rock 1 and Rock 2 Mineral Content Table 1: Mineral content analysis Rock 1 (%) 40 Rock 2 (%) 55 7 31 Quartz Feldspar (Orthoclase) Feldspar (Plagioclase) Muscovite Biotite 15 (Ca rich) 2 3 (Na rich) 5 2 3 5 2 Hornblende Pyroxene (Augite) Olivine 20 Traces 7 Traces Garnet 2. None