G1: Rock Forming Processes overview quiz - WJEC A-Level Geology quiz
14questions. Pick an answer and you'll see why right away.
Partial melting of mantle peridotite produces a magma that is
Which process triggers melting beneath a mid-ocean ridge?
In Bowen's reaction series, which mineral crystallises at the highest temperature?
Fractional crystallisation makes a residual magma more felsic because
A porphyritic texture records
Which igneous body is intruded concordantly, parallel to bedding?
Baking of the country rock both above and below an igneous sheet indicates it is
Contact metamorphism typically produces
Which sequence shows increasing grade of regional metamorphism of a mudrock?
Which mineral indicates the highest metamorphic grade?
A limestone built from coral and shell debris is classified as
Which pair of processes lithifies sediment during diagenesis?
A graded bed that fines upward from coarse base to fine top is deposited by
Cross-bedding in a sandstone is most useful for deducing