Linked from
The 19 pages that link to Portland cement, each with the reason it gives.
LimestoneRelated: Limestone supplies most of the calcium needed to manufacture its clinker.
CalciumRelated: Limestone supplies calcium compounds that become central phases in cement clinker.
MasonryRelated: It is a common binder in modern masonry mortars.
CarbonateRelated: Carbonate-bearing limestone is a major raw material for its clinker.
StuccoRelated: Modern exterior stucco often relies on this binder for strength and water resistance.
Alkaline earth metalRelated: Calcium compounds are the principal mineral ingredients of its clinker.
QuarryingRelated: Quarried limestone supplies the principal raw material for most Portland cement.
Sulfate mineralRelated: Gypsum is added to regulate the setting time of Portland cement.