The word limestone is a noun. Limestone means (1) a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals.
The following articles and web pages elaborate on the word limestone.
Visit this fireplaces and accessories retailer directory to find fireplace and fireplace accessories retailers in the United States. The photo on this web page depicts a classic limestone fireplace.
Water softeners remove the calcium and magnesium from water and are often used in home and commercial applications to soften water that has come in contact with limestone and other sediments.
Known for their dramatic limestone cliffs and caves, the Turks and Caicos islands are grouped around a shallow underwater plateau that provides excellent scuba diving and snorkeling conditions.
The following articles provide recent limestone-related news.
Four decades ago, a monk came to pray at a limestone cave 3.2km above sea level in the Tibetan Plateau. There the monk found half of a human mandible. He took the bone from the cave, and his village gave it to scientists ...
New Zealand Herald. Thursday, 02 May 2019 08:44:10 +1200.
An arched entrance flanked by two towers, elaborate carvings and a broad-aisled nave: a 5th century limestone church in northwestern Syria is the architectural forerunner of France's famed Notre-Dame cathedral. ...
Yahoo. Friday, 19 Apr 2019 10:25:52 -0400.
Special bacteria that help form limestone and marble could soon have a new job on a road crew. Recent research shows how the bacteria, called Sporosarcina pasteurii, can be used to prevent the road degradation caused by ice-melting salt.
Science Daily. Tuesday, 09 Apr 2019 13:58:31 EDT.
The Antiquities Ministry said Thursday that the temple, which dates back to the reign of Roman Emperor Antoninus Pius, was found near the Siwa Oasis in the western desert. It includes the foundations of a large limestone building.
CBC News. Thursday, 10 May 2018 10:41:40 EDT.
In the Egyptian province of Minya, thousands of men toil in backbreaking, often dangerous conditions in the region's limestone quarries. The stone they produce is an important source of cash for the province, but the human cost is enormous.
Voice of America. Tuesday, 01 May 2018 10:23:00 -0400.
The following digital image illustrates the word limestone.