IRON-ORE BASIN OF THE KURSK MAGNETIC ANOMALY. THE HISTORY OF THE GREATEST DISCOVERY OF THE FIRST HALF OF THE XX CENTURY IN RUSSIA. PART II. DISCOVERY OF THE IRON-ORE BASIN OF THE KURSK MAGNETIC ANOMALY

Abstract

In April 2023, exactly 100 years have passed since the iron-ore core was taken from a well drilled in the Shchigry area of Kursk province, thereby the secret of the Kursk magnetic anomaly (KMA) nature was revealed and the beginning of the world’s largest iron-ore deposits development was marked. This article is devoted to the history of one of the greatest discoveries of geologists of the first half of the 20th century, full of actionpacked and dramatic events.