Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry. KCA specializes in all aspects of heap leaching, cyanide processing, laboratory testing, project feasibility studies, engineering design, construction and operations management.

While primarily known for its heap leach expertise, KCA's staff includes experienced professionals with design capabilities in a wide range of metallurgical processes, such as: a complex acid leach process for a Bolivian silver project, a SART process (Sulfurization, Acidification, Recycling and Thickening) for a Mexican copper-gold project, and multiple HPGR (High Pressure Grinding Roll) processes around the globe.

For several years, KCA has routinely expanded its client base and service capabilities. KCA occupies a 3800 square meter building in Reno, NV, which allows KCA extensive capacity for engineering, manufacturing, purchasing, warehousing, and testing.

Florin Analytical Services, part of the KCA group, operates as an independent commercial analytical lab, providing high quality, reliable assays.


Pinos Altos Mine Project Management

Kappes, Cassiday & Associates not only provides clients with accurate testing services and feasibility studies, but is also well equipped to follow up these studies with construction management.

La India Mining Engineering Services

KCA is one of the pioneering firms in precious metals heap leaching and as such, KCA's Engineering Services Division can offer you a variety of services designed to improve or simplify your technical management decisions: We are capable of providing Scoping Studies thru bankable Feasibility Studies, and when your firm decides that it is ready to move beyond the study phase, we can also offer complete and competitive EPCM project packages 

KCA Metallurgical Laboratory Testing

Since 1972, Kappes, Cassiday & Associates (KCA) has specialized in cyanide metallurgy for the treatment of gold and silver ores. KCA tests over 100 different ore types each year. In addition to cyanide testing, our Nevada laboratory conducts programs for copper and base metal leaching, solvent extraction, gravity concentration, and electrowinning. Additionally, KCA provides many environmental testing services.


Kappes, Cassiday & Associates provides process plants and specialized equipment for precious metal recovery to operations worldwide. KCA has built over 70 process plants in over 30 different countries around the world. KCA also strives to bring innovation to the metals industry by developing new equipment such as the KCA Carbon Converter; a unique piece of equipment designed to help companies recover valuable gold locked in carbon fines.




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Head Office

Kappes, Cassiday & Associates

7950 Security Circle

Reno, NV 89506

Tel: (775) 972-7575

Fax: (775) 972-4567


Kappes Cassiday del Norte

Calle Gomex Morin No 1903 Col. Altavista C.P. 31320

Chihuahua, Chihuahua Mexico

Tel: (52) 614-426-7542

Fax: (52) 614-233-4704

Kappes, Cassiday & Associates Australia

8 Smilax Court
High Wycombe, Western Australia 6057
Tel: (618) 9454-3004