Europe:
* Wales, UK: Known for its high-quality, durable slate, particularly in the regions of North Wales.
* France: The region of Brittany is renowned for its slate, used extensively in roofing and construction.
* Spain: The Cantabrian Mountains are a major source of slate, with regions like Asturias and Galicia being prominent.
* Germany: Slate mining has a long history in Germany, with areas like Thuringia and the Sauerland region being significant producers.
* Italy: The Alps and the Apennines have slate deposits, with areas like Val d'Aosta and Tuscany producing notable quantities.
North America:
* Pennsylvania, USA: The state is known for its slate production, particularly in the Lehigh Valley region.
* Vermont, USA: Vermont has a long tradition of slate mining, with the Green Mountains being a significant source.
* New York, USA: Slate is mined in the Adirondack Mountains, notably in the region around Lake Champlain.
* Canada: Slate deposits are found in various provinces, including Quebec, Ontario, and Newfoundland and Labrador.
Asia:
* China: China is a major producer of slate, with deposits found in various regions, including Shandong and Fujian.
* India: Slate mining is prevalent in states like Kerala, Andhra Pradesh, and Rajasthan.
Other Regions:
* Brazil: Slate is mined in the states of Espirito Santo and Minas Gerais.
* South Africa: The country has slate deposits in various provinces, with the Eastern Cape being notable.
This is not an exhaustive list, but it provides a general idea of where slate is mined globally. The availability and quality of slate can vary significantly depending on the specific location and geological formation.