magnesian limestone


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magnesian limestone

[mag′nē·zhən ′līm‚stōn]
(petrology)
Limestone with at least 90% calcite, a maximum of 10% dolomite, an approximate magnesium oxide equivalent of 1.1-2.1, and an approximate magnesium carbonate equivalent of 2.3-4.4.
References in periodicals archive ?
It passes through impressive cliff top scenery and the Durham denes, deep wooded ravines carved into the Magnesian Limestone rock.
Trust reserves manager Mark Richardson said: "The majority of Herrington Hill is a primary magnesian limestone grassland, one that has remained undisturbed for centuries, and this site represents more than 10% of the total area of this habitat found in the UK.
Architect Edward Prior used reinforced concrete to build the church, faced with rugged local magnesian limestone.
North Tyneside Mayor Linda Arkley confirmed that additional investment in the planned improvements for the old magnesian limestone quarry will benefit wildlife and increase enjoyment for site users.
"The Durham Heritage Coast is an area that shows nature's powers of recovery from the effects of past industry and is the only place in the country where the underlying magnesian limestone meets the sea.
The coastal path, which runs for 11 miles, winds through areas of great natural, historical and geological interest with dramatic views along the coastline and out across the North Sea, an area rich in shallow bays and headlands with yellow Magnesian Limestone cliffs.
This will be an opportunity to see the coast from the sea and appreciate the magnesian limestone cliffs.
While there are lots of aquifers in the North East, those that supply most of our drinking water are the magnesian limestone between Sunderland, Hartlepool and Darlington and the fell sandstone between Kielder, Wooler, Rothbury and Berwick.
A fascinating two hour stroll around the ancient magnesian limestone gorge that is Castle Eden Dene National Nature Reserve awaits, as you learn the story hidden within the stones.
To the north of the lighthouse is The Leas, a two-and-a-half mile stretch of magnesian limestone cliffs, wave-cut foreshore and coastal grassland.
Last year, victims and their families were finally able to claim from a pounds 36m compensation pot The site is close to a former chemical works, set up in 1842, and the business started with a process for separating silver from lead and continued into the extraction of magnesia from magnesian limestone.
Stretching north from Souter lighthouse, The Leas is two and a half miles of magnesian limestone cliffs, wave-cut foreshore and coastal grassland.