Delaware Center for Geographic Education

Around 77 million years ago, during the Late Cretaceous period, North America looked very different from today.

The continent was split by a vast inland sea called the Western Interior Seaway, which stretched from the Gulf of Mexico to the Arctic Ocean, effectively dividing the landmass into Laramidia to the west and Appalachia to the east. The climate was warmer than today, with no polar ice caps, and sea levels were much higher.

The western landmass, Laramidia, featured mountain ranges forming along the edge of the seaway, along with lush forests, floodplains, and river systems. This region was home to a rich diversity of dinosaurs, including famous species like Tyrannosaurus, Triceratops, Edmontosaurus, and Ankylosaurus, as well as smaller theropods and early birds. The eastern landmass, Appalachia, is less well-known because fewer fossils have been preserved, but it also supported dinosaurs, crocodilians, turtles, and early mammals.

Marine life thrived in the seaway, including mosasaurs, plesiosaurs, giant sea turtles, ammonites, and early fish species. The flora consisted of conifers, cycads, ferns, and early flowering plants, supporting both terrestrial herbivores and insect populations.

The United States Geological Survey has released a mobile-friendly interactive geological map of the lower 48 states and it's completely free to use.

For fun!

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Urban development plans=consequences

Proposal By An American City Planner In The 1960s For The Inner City of Amsterdam In The Year 2000

Teacher Professional Development November 19 Hear from an aerial photographer about his work, and learn how students can use close-looking and perspective-taking as they analyze aerial images to deepen their understanding of classroom content.

Advancing Geographies of Justice by Removing Offensive Place Names - California Geographic Alliance A Special Webinar for Geography Awareness Week This program is appropriate for educators and students at any level, and classroom participation is encouraged in the morning session. There will be resources for students to use to begin their own inquiries after watching the webinar, and those resourc...

11/7 UD Graduate Data Science Open House Attend the UD Graduate Data Science and Analytics Open House to learn how a UD graduate data science degree can put you at the cutting edge in industry or research, in fields like climatology, GIS, educational statistics, bioinformatics, epidemiology, statistics, big data, cybersecurity, more. Join us Thursday, 11/7, 5-6:30pm, Newark, Del.

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23+ Mind-bending facts about US geography Fascinating and Intriguing Facts About US Geography We Never Learned Until Now July 8, 2024 by Regina Clarke This article was originally published on travellergazette.com Ah, America, land of the free and home of some of the most beautiful and natural ancient sights on the planet. The United States....

So it goes

We will be losing another 70 minutes of daylight this month!