Hawaiian lava

Three different kinds of lava are found in and around the Hawaiian Islands. Enjoy this brief description of each kind and the conditions under which it is formed.

Two approaches in geology

Learn more about the ups and downs of the concepts of catastrophism and uniformitarianism in geology from this article: https://www.grisda.org/the-role-of-catastrophes-in-scientific-thinking-1

Glaciations

Does the geologic record preserve evidence for the occurrence and extent of former ice ages? What kind of information is used to make these inferences? Learn more on glaciations and the geologic record…

Widespread deposits

What is unusual about widespread sedimentary deposits and other features of the sedimentary record? Learn more on the subject from this short article: https://www.grisda.org/was-there-a-great-genesis-flood-1

Radiometric Dating

Learn more about why radiometric dating is generally considered a reliable method for determining ages, and the type of responses creationists have and are developing to address the issue of long ages:…

Archean Fossils

What are Archean rocks? Is it true that they contain evidence for life existing at the time of their formation? Learn more on the subject in this short article: https://www.grisda.org/traces-of-life-from-archean-rocks-evidence-and-challenges-1

Plate Tectonics

Plate tectonics is an example of scientific revolution, where a new way of understanding data from nature was established over a short interval of time. Learn more about how plate tectonics relates to…

Catastrophic Earth Science

Do you want to learn more about the history and significance of catastrophism in geology? Here is a short article on the topic: https://www.grisda.org/catastrophic-earth-science-a-realistic-science-1

Hawaiian lava

Three different kinds of lava are found in and around the Hawaiian Islands. Enjoy this brief description of each kind and the conditions under which it is formed.

Megabreccias

Ever heard of megabreccias? Learn more about them at http://bit.ly/Megabreccia

Flat Gaps

Have you ever heard of "paraconformities"? Learn more about them at http://bit.ly/Flat_Gaps

Black Sand Beach

Black sand beaches are iconic of Hawaii, but where do they come from and how long do they take to form?

Catastrophism

Catastrophism is a very important concept in geology. Learn more about its role in formulating scientific hypotheses in this article https://www.grisda.org/catastrophism-discussion-of-its-current-status-in-geology-and-a-prediction-1

Evidences II: The Tale of a Trilobite

This is the second GRI video examining the topic of evidence and what can be reasonable known about the ancient past based on what we can see today. The proceeding video, "Evidences: The Record and the…

Evidences-The Record and the Flood

This documentary film, produced in 1990, discusses geologic evidence (mostly from the western US) consistent with the biblical account of a worldwide flood. Its sequel, "Evidences II: The Tale of a Trilobite"…

Seeking Understanding: Ariel Roth

Ariel Roth has dedicated his life to understanding Earth history. This documentary - with spectacular videography of the Grand Canyon and also featuring material from his time under water in the Hydrolab…

Seeking Understanding: Harold Coffin

Harold Coffin studied the fossil forests of Yellowstone National Park. This video covers some of his scientific studies of the petrified trees and his journy of faith.