资讯

There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...
Numerical ages estimate the date of a geological event and can sometimes reveal quite precisely when a fossil species existed in time. Third, magnetism in rocks can be used to estimate the age of ...
The characteristics of the rocks that hold fossils can be as informative as the fossils themselves. There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all ...
The serendipitous discovery of an exquisitely preserved fossil near Gulgong in NSW provides a glimpse into the evolution of ...
For 50 years, the region was known for just one type of fossil eggshell ... The Mussentuchit Member is a sedimentary rock layer that is part of Utah's Cedar Mountain Formation, where the first ...
By the time of Meli’s arrival on site, however, the workers had consigned most of the fossil blocks to the waste pile, and many were broken. After salvaging most of the rocks, Meli identified ...
Discoveries such as these broaden the range of potential rock types where we can find fossils, even those preserving fragile soft tissues." The discovery of a new mode of preservation of soft ...