ERSC 223 Final Question and answers already passed 2025

ERSC 223 Final Question and answers
already passed
naturally occurring
inorganic
crystalline solid
characteristic chemical composition
predictable physical properties - correct answer ✔mineral


native elements
sulfides
halides
oxides/hydroxides
sulfates
carbonates
silicates - correct answer ✔Berzelian Classification


nesosilicates - correct answer ✔SiO4


sorosilicates - correct answer ✔Si2O7


cyclosilicates - correct answer ✔Si6O18
Si3O9
Si4O12


single chain inosilicates - correct answer ✔Si2O6

, double chain inosilicates - correct answer ✔Si8O22


1:1 phyllosilicates - correct answer ✔Si2O5(OH)4


2:1 phyllosilicates - correct answer ✔Si4O10(OH)2


2:1:1 phyllosilicates - correct answer ✔Si4O10(OH)8


tectosilicates - correct answer ✔SiO2


allophane and imogolite - correct answer ✔aluminosilicates


anatexis - correct answer ✔melting of pre-existing rock


syntexis - correct answer ✔melting of 2 or more rock types


subduction zones, rift zones, over hot spots - correct answer ✔where does
magma formation occur


K, Na, Si - correct answer ✔felsic rocks are high in


Mg, Fe, Ca - correct answer ✔mafic rocks are high in


intraplate volcanism - correct answer ✔generation of magma above a hot
spot