According to the Mines and Geosciences Bureau, the project will benefit tourism, commerce and the environment. It will also protect coastal properties from erosion and storm surges and beach nourishment are preferred projects over hard beach stabilizing structures (such as seawalls and groynes).
What is the benefits of dolomite sand in Manila Bay?
The DENR chief, who has repeatedly defended the use of dolomite sand against critics, said the dolomite sand actually “cleans the water” of the Manila Bay, prevents erosion, and increases the width of the beach.
What is the purpose of dolomite?
Dolomite is used as a source of magnesium metal and of magnesia (MgO), which is a constituent of refractory bricks. Dolostone is often used instead of limestone as an aggregate for both cement and bitumen mixes and also as a flux in blast furnaces.
Is Dolomite good for the sea?
Marine scientist Diovanie de Jesus said the dolomite could cause hazards to creatures in and around the water. Sediments in the water could make it turbid, or opaque. The polluted water can also make it “stressful” for the bodies of sardines, mackerel, anchovies, and other fish.
Is Dolomite good for the environment?
“Dolomite contains high amount of heavy metals such as aluminum, lead and mercury, which would contribute to the pollution and acidity of Manila Bay,” Hicap said.
What are the impacts of using dolomite as beach nourishment?
Impacts of Beach Nourishment using Dolomite Sand
Furthermore, long exposure to this mineral can lead to respiratory problems which have been reportedly observed in dolomite miners5. The washing off of dolomite sand from the beach is akin to dumping foreign sediments, the most common pollutants in any water environment.
Can dolomite clean water?
“Dolomite will clean the water from acidic to alkaline,” Cimatu said. He also noted that dolomite is used in aquariums.
Where is dolomite found in Philippines?
Our subsidiary, Philippine Mining Service Corporation (PMSC), mines and processes dolomite at the Alcoy mine on Cebu Island in the Philippines.
Is dolomite safe for humans?
Dolomite is POSSIBLY UNSAFE for most adults when taken by mouth. … Also, dolomite might cause stomach irritation, constipation, nausea, vomiting, and diarrhea. Don’t take dolomite in large amounts for long periods or in combination with other calcium or magnesium supplements.
What kind of water is Manila Bay?
Manila Bay, a semi-enclosed estuary facing the South China Sea, is one of the best natural harbors in the world. The bay is located at the southwest portion of Luzon Island, one of the major islands in the Philippines.