Warm Mineral Springs (spring)
Overview
Sinkhole
A sinkhole, also known as a sink, shake hole, swallow hole, swallet, doline or cenote, is a natural depression or hole in the Earth's surface caused by karst processes — the chemical dissolution of carbonate rocks or suffosion processes for example in sandstone...
located in North Port, Florida
North Port, Florida
North Port is a city in southern Sarasota County, Florida, United States. The population was 22,797 at the 2000 census. As of 2007, the population recorded by the U.S. Census Bureau is 54,308. It is part of the Bradenton–Sarasota–Venice Metropolitan Statistical Area...
, a mile north of U.S. 41
U.S. Route 41
U.S. Route 41 is a north–south United States Highway that runs from Miami, Florida to the Upper Peninsula of Michigan. Until 1949, the part in southern Florida, from Naples to Miami, was U.S...
. The primary water supply is a spring
Spring (hydrosphere)
A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...
vent deep beneath the pool's water surface. The site has functioned as a spa
Spa
The term spa is associated with water treatment which is also known as balneotherapy. Spa towns or spa resorts typically offer various health treatments. The belief in the curative powers of mineral waters goes back to prehistoric times. Such practices have been popular worldwide, but are...
since the 1960s, and is an important geological and archaeological site
Archaeological site
An archaeological site is a place in which evidence of past activity is preserved , and which has been, or may be, investigated using the discipline of archaeology and represents a part of the archaeological record.Beyond this, the definition and geographical extent of a 'site' can vary widely,...
. It was added to the U.S.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
on November 28, 1977.
Warm Mineral Springs is the only warm water mineral spring in the State of Florida.
Warm Mineral Springs is a sinkhole formed in carbonate rock
Carbonate rock
Carbonate rocks are a class of sedimentary rocks composed primarily of carbonate minerals. The two major types are limestone, which is composed of calcite or aragonite and dolostone, which is composed of the mineral dolomite .Calcite can be either dissolved by groundwater or precipitated by...
by the collapse of the roof of a cavern 30,000 years ago.
