Where was bse first detected in the mid 1980’s?

When was BSE first discovered?

BSE first appeared in British cattle in the mid-1980s. There have been numerous cases detected in other countries. A complete list of countries is available from both the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA).

it cools slower in the earth meaning the crystals have more time to form than lava on the surface