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Lower Ecca Series
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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
The Seven Sacraments of the Roman Catholic church
July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.
Will Light-Speed Space Travel Ever Be Possible?
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.
Timeline of the Titanic’s Final Hours
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks

Lower Ecca Series

geology

Learn about this topic in these articles:

Paleozoic stratigraphy of Africa

  • A map of the continent of Africa, including its countries, boundaries, and capital cities. It also shows parts of Europe and Asia and surrounding bodies of water, including the Atlantic Ocean, Mediterranean Sea, Red Sea, and Indian Ocean.
    In Africa: The Paleozoic Era

    …divided into three groups: the Lower Ecca (containing almost 1,000 feet [300 metres] of shales), the Middle Ecca (some 1,650 feet [500 metres] of sandstone, seams of coal, and fossilized plants), and the Upper Ecca (about 650 feet [200 metres] of shales again).

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