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Defining your reserves is not that scary!

Geology
Need help defining your reserves?

A month after reviewing an article he wrote nearly two decades ago about the geologist’s role in the valuation of quarry reserves, Bill Langer describes how such reserves should be classified and defined today … Read more »
A “mum and dad” operation that provides a truckload of bank-run sand and gravel to a customer may not care about aggregate reserves – but a buyer for the same site would want to thoroughly understand them.

Geology Talk
How much are your reserves worth?

A mere 18 years after he wrote a column for this publication about the geologist’s role in the valuation of aggregate reserves, Bill Langer now revisits the topic and re-evaluates … Read more »

Geology
Global aggregates production: 1998-2017

Nineteen years to the month that he began his long association with this publication, Bill Langer reflects on the performance of global aggregate production in this period – and how it was impacted by the global downturn of the past decade. Read more »
The surface of Abu Dhabi’s Yas Marina Circuit for its F1 Grand Prix derives from the same greywacke aggregate being studied to understand how life could occur on other planets.

News
Formula One aggregates point to life on Mars

Rocks that originated from a quarry in England’s south-west are currently being studied to help scientists understand how life could occur on other planets. Read more »
Quarries, such as this pit in Tamil Nadu, India, can be suitable storage places for city water supplies.

Geology
In my back yard - please!

This year Bill Langer has discussed some of the environmentally friendly uses of aggregate. This month he describes sustainable options for the use of the voids left behind after gravel is mined ... Read more »
An entry in the annual sand sculpting exhibition held in Frankston, Victoria. Aidan J Graham Quarries supplies “brickie’s loam” sand for the sculptures.

Geology Talk
The 'science' of sand castles

The past few articles from Bill Langer have been about environmentally friendly applications of sand and gravel. While Bill says this article is not about an environmental application of sand, it certainly is a friendly one! Read more »
Bowers Quarry is located in England’s southern coast and will host a monument dedicated to biodiversity. Image courtesy: Albion Stone.

News
Tourist attraction to open on active site

More than a decade after being approved, an innovative tourist monument is set to open at a stone quarry and mine site in 2020. Read more »
The idle Bridge Street Quarry is the site of the proposed Quarry Gardens in Toowoomba.

News
Quarry Gardens plan revived after decade in wilderness

Queensland Premier Annastacia Palaszczuk has committed $250,000 towards a feasibility study to transform an idle quarry on the outskirts of Toowoomba into first-class parkland. Read more »
Archaeologists have discovered evidence that shows how the Egyptians built the Great Pyramid of Giza in approximately 2600 BC. Image courtesy: The Daily Mail.

News
Ancient scroll highlights pyramid construction

An ancient papyrus scroll recently discovered in Egypt is believed to have revealed how ancient Egyptians transported limestone to build the Great Pyramid of Giza. Read more »
Two workers scale the cliffs of the quarry to remove any clutter that could harm quarry workers. Image courtesy: The New York Times.

News
History of marble brought to light

The demand for marble currently fuelled by the Middle East has brought the rich back story of the marble-producing quarries of Italy back into the spotlight. Read more »
In beach replenishment, a dredge off-shore will normally pump a water sand slurry through large pipes onto the beach.

Geology
Where the sand meets the sea

Natural sand is a diminishing resource around the world, but still in enormous demand. The dwindling of sand supplies is most noticeable on beaches worldwide. Bill Langer discusses how onshore sand quarries may in the future provide some salvation for preserving and rehabilitating our shrinking coastlines. Read more »
Your common garden car park, with trees scattered about in island beds.

Environmental Products
Structural Soil – A Tree’s Bff!

In his determination to prove there are indeed environmentally sustainable aggregate applications, Bill Langer almost picked a domestic “fight” with his wife – intellectual, of course! The bone of contention: structural soil – in a car park, no less! Read more »


 


Monday, 23 April, 2018 03:23pm
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