In the second installment of the coastal geology miniseries, we talk about how tides work.

#119 - Tides

Three geologists sit down and tackle the topics that no one else dares to touch.

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Here's to a decade of sharing our passion for geology. In this episode you’ll hear about some of the behind the scenes stories of the Geology Flannelcast.

Thank you to our dedicated listeners' unwavering support. Our audience inspires and propels us forward. We are appreciative of the opportunity to share our love for Earth's history, processes, and wonders. Here's to many more years of exploring geology together! Thank you for being part of our journey!

#167 - 10 Year Anniversary Episode

The North Carolina Gold Rush
The year was 1799 when Conrad Reed stumbled upon an extraordinary yellow nugget while fishing in Little Meadow Creek, near what is now Charlotte, North Carolina. Little did he know that this chance discovery would set off a chain reaction that would forever alter the course of North Carolina's history.

Word spread like wildfire, and it wasn't long before prospectors descended upon the region, igniting the North Carolina gold rush. Soon, intrepid fortune seekers, drawn by the allure of untold riches, flocked to the Tar Heel State in search of their dreams.

The gold fever gripped the hearts and minds of countless individuals, from seasoned miners to common folk seeking to change their fortunes. Streams, creeks, and rivers became the lifeblood of the gold rush, each shimmering current hiding the potential for great wealth beneath its surface.

As the rush gained momentum, towns sprouted up along the gold-bearing veins of the state. Salisbury, Fayetteville, and Charlotte became bustling hubs, swelling with prospectors, traders, and settlers hoping to share in the wealth extracted from the earth. Mines dotted the landscape, testament to the relentless pursuit of gold.

North Carolina's gold reserves, while not as vast as those of California, were no less significant. The region's fertile soil, rich in minerals, concealed gold veins that ran deep beneath the earth's surface. The Piedmont region, with its rolling hills and flowing rivers, proved to be a particularly prosperous area for miners, rewarding their tireless efforts with abundant finds. 

The North Carolina gold rush may have peaked and faded into history, but its legacy endures. It serves as a reminder of the hidden treasures that lie beneath Earth's surface and the eternal allure of striking it rich.

#166 - North Carolina Gold Rush

The Central Atlantic Magmatic Province (CAMP) has left an indelible mark on the geologic history of our planet. Spanning millions of years, this colossal volcanic event unfolded approximately 200 million years ago during the Triassic period, forever altering the face of the Earth.

CAMP erupted along the rifted margins of the supercontinent Pangaea, stretching from present-day North America through Europe and Africa. This immense outpouring of lava and volcanic activity blanketed vast areas, surpassing any volcanic event witnessed in recent geological times.

The geological episode gave rise to an extensive igneous province that covered an astonishing area of more than seven million square kilometers. With powerful volcanic eruptions and the formation of gigantic fissure systems, the CAMP unleashed an unimaginable volume of molten rock, emitting massive volcanic gases and ash into the atmosphere.

The impact of CAMP on Earth's biosphere was overwhelming. The sheer magnitude of volcanic activity led to drastic environmental changes, as eruptions spewed ash and gases, potentially causing global climate disruptions. With the release of vast quantities of greenhouse gases, including sulfur dioxide and carbon dioxide, the global climate may have been influenced, exacerbating the greenhouse effect.

Furthermore, CAMP had significant consequences for life on Earth, leading to one of the most severe mass-extinction events in the planet's history, the end-Triassic extinction. This devastating event affected marine and terrestrial ecosystems, wiping out numerous species, including many reptiles and amphibians. It was a crucial turning point, paving the way for fundamental changes in plant and animal evolution.

While the causes of CAMP remain somewhat enigmatic, scientists believe that the vast outpouring of magma was likely due to intense activity associated with the opening of the Atlantic Ocean. This massive volcanic phenomenon profoundly shaped the geologic conditions we observe on our planet today.

The Central Atlantic Magmatic Province remains a captivating and fascinating subject of study for geologists and paleontologists alike. Its magnitude and impact have shaped our understanding of Earth's complex past, reminding us of the power and intricacies of the planet we call home.

#167 - Central Atlantic Magmatic Province (CAMP)

Doggerland is the area of land that connected the UK to continental Europe during the last ice age. In this episode, we talk about how Doggerland formed, and how it was eventually flooded out.

#164 - Doggerland

We talk everything about the moon in the episode - how it formed, what it’s made of, NASA missions, and a ton more random facts.

#119 - Tides

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