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Lourinhã Formation

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Lourinhã Formation

Lourinhã Formation, Geological formation in Lisbon Region, Portugal

Description

The Lourinhã Formation is a geological layer spanning the Lusitanian Basin in western Portugal, composed of sandstone, mudstone, and marl with varying depths. The rocks preserve numerous fossils from the ancient Jurassic period.

History

This rock layer formed during the Late Jurassic period over 150 million years ago when the region experienced changing environmental conditions. Scientists recognized its paleontological significance only in the late 1980s.

Culture

This geological formation is known for containing abundant dinosaur remains that are now displayed in regional museums. Visitors can examine these fossils to understand what ancient life looked like in this area during the Jurassic period.

Practical

This geological formation is distributed across multiple locations in western Portugal and can be examined through natural rock exposures and museum collections. The regional museum offers the most accessible way to study the fossils without extensive fieldwork.

Did you know?

Fossils from this formation resemble those from North America and East Africa, showing that similar dinosaurs once lived across different continents. These parallels help scientists understand how ancient ecosystems were connected globally.

Location
GPS coordinates
39.23333,-9.30000
Latest update
December 10, 2025 15:55

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« Lourinhã Formation - Geological formation in Lisbon Region, Portugal » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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