Скорее, mine series

https://pubs.geoscienceworld.org/segweb/economicgeology/arti...

Abstract
Notes some features of the geology amd mineralization of the Roan Antelope copper deposit, Northern Rhodesia, which are difficult to reconcile with a syngenetic theory of origin, and reaffirms the conclusion that the ores are hypogene and epigenetic and were introduced into the ***Precambrian sediments of the ***Mine series*** subsequent to folding, metamorphism, and igneous intrusion in the district.

https://eplanning.blm.gov/epl-front-office/projects/lup/7100...

The mine was developed principally on a single persistent quartz-calcite vein cutting late Miocene rhyolitic volcaniclastic sediments of the “mine series” (210 m [690 ft] thick),

https://en.wikipedia.org/wiki/Katanga_Supergroup

The Katanga Supergroup nonconformably overlies the 883 Ma Nchanga Granite.[1] The Katangan Supergroup is divided into four metasedimentary series, from the oldest siliclastic and dolomitic Roan Group conglomerates, sandstones, and shales, to Nguba Group of mostly carbonates and carbon-rich shales, to the youngest, upper most Kundelungu Group including glacial metasediments and a cap carbonate