Wikipedia entity: Sedimentary rock
Topics: geology; rock composition; classification
Original sentence: For example, a quartz arenite would be composed of mostly (>90%) quartz grains and have little or no clayey matrix between the grains, a lithic wacke would have abundant lithic grains and abundant muddy matrix, etc.
Quantified sentence: For example, a quartz arenite would be composed of most of quartz grains and have little or no clayey matrix between the grains, a lithic wacke would have abundant lithic grains and abundant muddy matrix, etc.
Quantifier: most
Percentage: 90%
Specificity: unable