Chloride springs
Hot spring that contains mass of dissolved ingredients (exclusive of those that are in the form of gas) 1,000 mg/kg or more, and the principal ingredients of negative ions are chloride ions.
en-GB/ˈklɔːɹaɪd ˈspɹɪŋz/
en-US/ˈkloʊɹaɪd ˈspɹɪŋz/