Neco 2022 Geography Question 6

Practice objective / multiple choice question 6 from the 2022 Neco Geography examination.

Neco 2022 Geography Objective / Multiple Choice Medium Difficulty
Question 6 NECO • 2022 • GEOGRAPHY • objective

An unconsolidated sedimentary rock sample contains 60% sand-sized particles, 30% silt, and 10% clay. Within the sand fraction, quartz makes up 70%, feldspar 20% and lithic fragments 10%. Using the Folk classification, determine the name of the rock and calculate the overall percentage of quartz in the whole rock.

Answer Options

A. Graywacke, 50% quartz
B. Lithic sandstone, 35% quartz
C. Feldspathic sandstone, 42% quartz
Correct Answer D. Lithic sandstone, 42% quartz
Correct Answer
D
Correct Option:
Lithic sandstone, 42% quartz

About This Question

This is Neco 2022 Geography Question 6. It is one of the objective questions from the 2022 Neco Geography examination.

Difficulty level: Medium .

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