Geology

A nineteenth century British woman with little education made some of the most important geological discoveries of her time.

A guide to identifying beach stones found along the shorelines of Lake Michigan, with photos and info about syenite, rhyolite, pumice, dolomite, quartz, wishing stones, heart stones, quartzite, Presque Island serpentinite, diabase, pegmatite, conglomerate, and banded metamorphic rocks!

The Taal Volcano of the Philippines is unusual in that it is a recently-developed volcano situated inside a much older supervolcano that is no longer active. This set-up is not unique in the natural world, for similar arrangements can be found at Crater Lake in the US and Lake Taupo in New Zealand.

Land subsidence caused by groundwater withdrawal poses a significant threat to governments, businesses, and the general public.

Lapidary jokes, fossicking jokes, prospecting jokes, rockhound jokes, geology jokes and many more funny jokes, puns and short tales for lapidarians, rockhounds and jewellery enthusiasts.

What are the most dreadful earthquakes of India. Below is the list of biggest earthquakes of India with images.

Mud is a versatile and interesting material. It's useful for both animals and humans. It can also be dangerous, especially in the form of mud volcanoes and mudflows.

To any student of geology and natural disasters, there is no way around it, the "Ring of Fire" is the most seismic active place on the planet. About 70% of the world's volcanoes and earthquakes take place here. Nonetheless, many dangerous volcanoes can be found elsewhere around the planet.

To determine the relative ages of rock units and create a timeline for geologic events in an area, geologists follow five key principles of relative dating.

Scientists say that Eurasia and the Americas might crash into each other in the Arctic and form a new continental land mass.

If you want to identify a mineral, you need to examine its properties. This is a guide to how scientists identify minerals by their physical properties.

This article looks at the processes by which rocks melt and the different ways they cool and solidify to form igneous rocks.

Ring of Fire is a common expression applied to a geographical area bordering the Pacific Ocean. Within this "Ring of Fire" earthquakes and volcanoes are more common than any other place on the planet.

The theory of plate tectonics grew from Alfred Wegener's theory of continental drift and incorporates modern data such as the magnetic record of the seafloor. The theory of plate tectonics helps to explain natural phenomena such as volcanic island arcs, large mountain belts, and seamount chains.

Diamonds are very important to our society because of the meanings we attach to them. But, where do diamonds come from? They form in four ways: deep eruptions, subduction, impact, and collisions in space.

This article looks at ten sandy beaches of extraordinary colour, what they are composed of and how they are formed, with illustrations of all ten