What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.

The basalt which makes up the Giant’s causeway is an igneous rock. Sedimentary rocks are formed by small rock pieces which are transported by rivers and laid down in layers. Chalk is a ...

Southwestern Ohio's limestone (a sedimentary rock) is saturated with life — life from about 450 million years ago, that is. Our local limestone layers reflect times of relative prosperity for the wide ...

There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The third graders in Adrianna Nelson’s third grade class recently learned about sedimentary rocks and explored a hands-on ...

They accidentally discovered a band of sedimentary rock that contained unusually high levels of a rare element, iridium. Chemical dating techniques put the rock at around 65 million years old.

I am a chemical sedimentologist: I study how and why chemical sediments form and lithify, with the goal of better understanding how chemical sedimentary rocks (e.g., carbonates, chert, iron formations ...

Groundwater dynamics in sedimentary rocks, particularly in Hokkaido, Japan, is a critical area of study, especially concerning the geological disposal of high-level radioactive waste. Recent ...

This finding is crucial for interpreting isotopic records in sedimentary rocks that have undergone varying degrees of burial and metamorphism. Additionally, the use of deep-sea corals as archives ...