example of terres blanches clay-limestone white soils on vineyards around sancerre wine making village, rows of sauvignon blanc

kimmerdigin limestone agriculture background blanc blanchot burgundy caillottes chablis clay soils domain flint flintyclay france french grape harvest hill industry kimmeridgean age landscape limestoneclay loire marl nature outdoor oyster fossils traces panoramic pouillyfume production row rural sancerre savignon silex soil terres blanches white terroir tourism travel valley view village vineyard vineyards viniculture wine winery