Algar do Carvão
TER 1
38º 43'42''N 27º 12'52''W
“Algar do Carvão” is a volcanic pit with a peculiar genesis, including both silicic formations and basaltic products dated of 3,200 and 1,730 years ago, respectively. This 90 m depth pit, presents unique features and environmental importance, especially due to its unique speleothems of amorphous silica.
