Mystery of the Badlands….. Anza-Borrego Desert State Park reveals stories from the past…

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Presentation transcript:

Mystery of the Badlands….

Anza-Borrego Desert State Park reveals stories from the past…

How good were your science hypotheses for … Why are there so many fossils in Southern inland California?

Let’s take a virtual field trip back in time with help from our scientists…

What formed this landscape?

Follow the Colorado River by connecting the stars…

The Colorado River emptied into the ocean in the area between the stars for the last three million years…

Can you see the red sandstone areas of the Colorado Plateau between the stars?

The Colorado Plateau was lifted up 6000 feet by magma from below!

Water… it follows a downhill path!

Today, you see these landforms throughout Arizona and Utah….

The Colorado River flows through the Grand Canyon…

Its tributaries carved out Bryce Canyon…

Water carved these fairytale landscapes! Hoodoos of goblin valley

A powerful force…

The river dropped its sediments across a large area that today we call… Photo by Jim Wark

The Salton sea… The Imperial Valley… Photo by Photo by Jim Wark

And the Borrego badlands….

Colored layers of sediment from the red, yellow and orange sandstones of the Colorado Plateau...

With a fossil history from the past 3 million years!

Preserved and protected by the Anza- Borrego Desert State Park.

These formations attract scientists from around the world…

And what have they found?

The fossils say that this was once a very different place! Artist John Francis

It was warmer and wetter… Artist John Francis

Giant tortoises lived here!

Can you imagine the desert like this? Artist John Francis

It changed from a shallow inland sea 5 million years ago…

To lakes and streams with patches of forests and.. Artist John Francis

… large grassland savannahs. Then the climate slowly became warmer and drier.. Artist John Francis

…until it became the desert we see today.

But the fossils reveal the story of the past…

Yesterday’s lakes and streams.. Today’s fossil beds…

Science is for the curious… Each new discovery creates some new answers and many new questions!

Murals of past scenes by John Francis Aerial photos donated by Jim Wark Curriculum development supported by Anza-Borrego Foundation and Institute and California State Parks Text and other photos by LuAnn Thompson