Limestone - unprocessed (limestone quarry operation)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.10. The product "limestone unprocessed" represents a naturally occurring mineral that consists principally of calcium carbonate. Limestone is generally used for construction cement quicklime agriculture metal refining and flue gas desulphurisation In construction limestone is the most widely used crushed rock although it is generally sold in form of sand and gravel. Cement: The production of cement is the main use for chalk and a major use for dense high-calcium limestone. Quicklime: Approximately 1.8 t of limestone is required per 1.0 t of quicklime. The cut-off classification is allocatable product. The activity type is ordinary transforming activity. The reference product amount is 1.