Mixture of clay, sericite, albite, and pyrophyllite. Locally pyrite-bearing. Majority of areas mapped as hydrothermally altered are intrusive rocks.
Hydrothermally altered rock, Puerto Rico.
Hydrothermally altered rock, Puerto Rico.Hydrothermally altered rock, Puerto Rico.Caribbean - UFDC Home - All Collection.
Exposed caquas
Caribbean - UFDC Home - All Collection.Caribbean - UFDC Home - All Collection.
Exposed caquas
Material Information: Title: Caribbean: Physical Description: Serial: Language: English: Creator: Cristobal High School: Publisher: Yearbook House: Place of Publication:Caribbean - UFDC Home - All Collection.