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Search Results - Bill Langer, Geology Talk

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The hippocampus, highlighted in blue, creates new cells throughout a person’s life. Illustration courtesy of Jay Leek, UC Davis.

Geology
Hey! Have you got rocks in your head?

Continuing his exploration of the periodic table, Bill Langer this month examines the mineral elements on which the brain relies for sustenance and growth … Read more »
For every 0.014g of gold in a smartphone, the amount of high grade ore needed is about 1.6kg.

Geology
So, what's in your smartphone?

‘Honey, I’ll put you on hold!’ Bill Langer takes a moment away from his ‘mineral-laden’ smartphone to explain how many fractions of minerals are present in the average unit and contribute to its functions … Read more »
Resembling a mosquito in shape, InSight is the new ‘guy’ on Mars!

Geology
Exploring the geology of Mars

For the past decade, NASA has had a series of roving robots exploring the Martian landscape for remote signs of life. Bill Langer discusses the work these robots have done for geology in the process. Read more »
Drones are measuring stockpiles, confirming clearance before blasts, monitoring traffic and road conditions, and providing real-time aerial footage.

Geology
A new age of robotics and automation

From a miniature robot championship in Texas, to the wide expanses of the Pilbara, to one day possibly the red landscape of Mars, Bill Langer discusses how robotics has become a staple of the extractive industries … Read more »
The sand on Rainbow Beach, on Queensland’s Sunshine Coast, features a myriad of colours. Image courtesy of S Newrick, Wikimedia Commons.

Geology
Poop sand happens!

As winter sets in down under, Bill Langer and his wife are visiting east coast beaches in the US, where (to quote Lewis Carroll) there are “such quantities of sand, indeed” – and also lots of poop! Read more »
The clean-up effort following floods at Tegra’s Jugiong Quarry, near Gundagai, NSW, in 2010. Despite the disaster, Tegra was able to meet concrete demands.

Geology
Aggregates and seismic awareness

Bill Langer dispenses some advice for operations on being better prepared for seismic and other tumultuous events. Read more »
A devastated San Francisco, seen from the Lawrence Captive airship, after the 1906 earthquake. The quake was felt over an area of 321,000 square kilometres - spanning Los Angeles, Oregon and Nevada.

Geology
The great 1906 San Francisco earthquake

One of the United States’ most famous natural disasters, the Great San Francisco Earthquake of 1906, is notable for furthering geologic field studies of seismic activity. Bill Langer explains why earthquakes occur and the kind of minerals they can yield. Read more »
A map of Siberia and Alaska showing Beringia as the tan areas. Image courtesy of the US National Park Service.

Geology
Beringia: The Siberia to Alaska 'bridge'

An inquiry from a secondary school student about the impact of geology on humans has prompted Bill Langer to revisit the theory behind ‘Beringia’, the supposed ‘land bridge’ between Siberia and Alaska … Read more »
Ancient Egyptian artisans lavishly decorated tombs with gold and gold objects, such as on Pharaoh Tutankhamun’s mask (front and rear). It is fashioned from two layers of high carat gold.

Geology
Celebrating a golden anniversary

Bill Langer this month commemorates a milestone in his personal life – but will his wife Pam accept his golden gift? Read more »
The Walrus and the Carpenter weep at the sight of such ‘quantities’ of sand.

Geology
Such quantities of sand, indeed

With the Australian summer – and beach weather – upon us, Bill Langer reflects on the industrial uses of silica sand and how it complies with rigorous standards … Read more »
In Burton-upon-Trent, UK, brewers use water from springs with rocks containing gypsum (pictured).

Geology
The geology of beer

We all know geology – and quarrying – contributes enormously to our infrastructure and our lifestyles. As Bill Langer explains, geology also plays a crucial role in the fermentation of one of life’s other great “necessities” … Read more »
The road cut alongside the exit ramp to Bill Langer’s neighbourhood has an interesting story to tell …

Geology
Rocks - the oldest storytellers

Every rock in the nearest pit, quarry or road cut has an interesting story to tell, according to Bill Langer. Some rocks near the highway exit to his neighbourhood have a particularly interesting yarn … Read more »
The Vermilion Cliffs National Monument in northern Arizona, US, the perfect place for ‘wave riding’.

Geology
Surf's up!

Fourteen years ago Bill Langer wrote a series of articles about famous rocks. This month he focuses on another famous rock, recently brought to mind by a daring surfing event … Read more »
A geological map of Australia, at 1:1 million scale.

Geology
The many stories in a map - V2.0

Geological maps indicate by colour or symbols where strata are exposed at the surface, and its age and sediments. However, as Bill Langer explains, even with the assistance of modern technology, the task of identifying potential sources for crushed rock within the strata is a challenge … Read more »
A fragment of smectite.

Geology
Smectite clay - a dog's best friend!

As we all know, aggregate can be used in a multitude of daily applications – from paving roads to the production of personal hygiene and make-up products. It is also employed in some medications – and for one little dog, a little bit of clay can go along way, as Bill Langer explains … Read more »

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Thursday, 17 October, 2019 1:53am
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