16 results found

Search Results for: shale

The Fossils of the Burgess Shale

The Fossils of the Burgess Shale     ... Read More

The Crucible of Creation: The Burgess Shale and the Rise of Animals

The Crucible of Creation: The Burgess Shale and the Rise of Animals     ... Read More

New hope for tapping vast domestic reserves of oil shale

Fossils encased in an Estonian oil shale. Credit: Mark A. Wilson, Wikipedia Commons   Researchers in... Read More

Ancient Organisms Discovered In Canadian Gold Mine

Scientists have suspected that the three known domains of life -- eukaryotes, bacteria, and archaea -- branched off and... Read More

The earliest annelids: Lower Cambrian polychaetes

More than 30 Burgess Shale−type faunas are now known from the Lower and Middle Cambrian of Laurentia, South China,... Read More

Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide (Fossils & Dinosaurs)

Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide ... Read More

Invertebrate Paleontology and Evolution

Invertebrate Paleontology and Evolution     ... Read More

Fossil Plants (Living Past)

 FOSSIL PLANTS (Living Past)     ... Read More

Study Casts Doubt On ‘Snowball Earth’ Theory

A study that applied innovative techniques to previously unexamined rock formations has turned up strong evidence on the... Read More

Study casts doubt on ‘Snowball Earth’ theory

Remains of photosynthesizing microbes in prehistoric rocks suggest Earth was not ice-bound A study that applied innovative... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Shell

shell 1. A hard outside covering, as of a fruit or an animal. Specifically: The covering, or outside part, of a nut; as, a... Read More

Intercalate

Intercalate 1. To insert, as a day or other portion of time, in a calendar. 2. To insert among others, as a verse in a... Read More

Cephalochordate

Definition noun, plural: cephalochordates Any of the small, elongated, segmented, fish-like chordates that belong to the... Read More

Organic matter

Definition noun Any of the carbon-based compounds found in nature Supplement Organic matter pertains to any of the... Read More