Rapid Bedrock Incision by Water Stream Outburst: The Case of the Oroville Dam (California, USA)
New observational data on the phenomenon of rapid bedrock erosion became recently available after the well documented events that affected the Oroville Dam in February 2017.
Some Things We Can Know
Those who study historical topics such as origins often face questions for which no easy answers are evident. Published in Origins, v. 65.
The Grand Staircase
In Utah and northern Arizona is a unique geological landscape feature, called the Grand Staircase. Imagine a staircase with each step a thousand feet or more high, and many miles wide. We will discuss hypotheses in regard to how this feature was formed. Published in Origins, v. 65.
What Is the Evidence for a Large Asteroid Impact at the Cretaceous-Paleogene (K-Pg) Boundary?
The hypothesis of a large meteorite impacting the surface of the Earth at the end of the Cretaceous was introduced almost four decades ago. In the ensuing years, the geologic community gathered a large body of data in support of this hypothesis, elevating it to the status of a universally accepted fact of Earth history. However, competing models and lively discussions are still unfolding over the dynamics and environmental consequences of this large impact.
A Review of the Documentary Film "Is Genesis History?"
Is Genesis History? asks a question that many Christians struggle with. Is the first book of the Bible comprised of pious myths? Is it an allegory designed to teach important lessons about God, but not actually a record of the history of life on Earth? Or is it a reliable record of events that actually occurred in the past? In other words, is Genesis the oldest book of history available today, one…
The Geological Story Told by Iceland
Iceland is a volcanic island in the North Atlantic Ocean, slightly below the Arctic Circle. The island is situated on a mid-ocean ridge at the boundary between the North American plate and the Eurasian plate. In Iceland, we find evidence of horizontal movements, in which two plates spread apart as the crust dilates with intrusion of new magma. Iceland, however, is also associated with a mantle plume (a narrow stem of upwelling of magma from deep in the mantle) that has maintained volcanism high and vigorous.
The Paleozoic Rock Record: A Broad Overview of Features and Trends
The rocks of the Earth are like pages of a history book containing information about the past. Geologists who enjoy reading this “book” have found that it consists of two “volumes:” the first, named Precambrian, is mostly devoid of macroscopic fossils. The second, named Phanerozoic, contains layers and sediments providing a rich archive of past forms of animal and vegetal life. The Phanerozoic “volume”…
The Precambrian: Part 3 of 3
This third part of a series on the Precambrian provides two perspectives suggested by creationists on how to interpret this portion of the rock record.
The Role of Catastrophes in Scientific Thinking
The cathedral was crowded; this was All Saints’ Day! Unexpectedly, the building started shaking and the parishioners tried to rush out through the arched entrance. Others were trying to escape from another church located on one side of the cathedral, while buildings several stories high rose ominously on the other side. Suddenly, moments later, the fronts of the churches and accompanying buildings…
Was There A Great Genesis Flood?
The first book of the Bible states that following a recent creation by God, there was an astonishing worldwide Flood. In that context, the Flood would have been responsible for most of the great fossil bearing layers of the earth. However, current scientific interpretations propose that these layers slowly accumulated over billions of years thus allocating more time for the slow gradual evolution of…
Baumgardner’s Modeling of Rapid Plate Tectonic Motion
To model the motion of Earth's plates, Baumgardner uses a Fortran program he developed called TERRA that must be run on a supercomputer. It is one of four models in the world capable of modeling Earth in a global manner.
Creationism: Contrastive Perspectives and Values, Part 2
Contrastive Creationist Worldview Generally Thought to Represent Creationism, but to Which the Term Creationism Does Not Properly Apply Some evangelical Christians, such as, but not limited to, Seventh-day Adventists, share several core biblical perspectives found in “creationism” but do not hold to the seminal, hall mark…
Catastrophism: Discussion of Its Current Status in Geology, and a Prediction
In the last two centuries catastrophism has had its ups and downs in the scientific world of geology.At the time of Charles Lyell and before, many geologists explained geological history in catastrophist terms: geological processes were often described as rapid and cataclysmic. Some of these geologists derived their catastrophist ideas at least partly from the Bible. Others who did not introduce…
Megabreccia and Catastrophe
This article details examples of megabreccias of truly immense proportions, ranging from car-sized rocks to rocks a hundred kilometers in length. Such phenomena, spectacular as they seem, are not rare.
Climbing Up and Down Through the Fossil Record
Doesn’t the order of fossils in rock layers demonstrate evolution from simple to complex organisms? With invertebrates the data are ambiguous; the best case for increasing complexity can be made with vertebrate fossils and plants. However, there are other valid interpretations more consistent with the Biblical record and patterns of fossil appearance. First let’s review the data; rare microscopic…
What Does the Fossil Record Tell Us?
There is broad agreement among Christian earth scientists who trust the biblical account that the general aspect of the fossil record is catastrophic—one of destruction and death.
Genesis and the Geologic Column
The geological column is not something you can find in the rock layers that form the crust of the Earth. It is more like a map. It is a column-like representation of the general order of the rock layers over the surface of the Earth.
When the Earth’s Crust Explodes
A ring of volcanic and earthquake activity is being felt around the rim of the Pacific Ocean. Volcanologists, with the help of modern technology, are able to monitor dormant and active volcanos in the Pacific Rim, identify indicators of increased activity that may lead to eruptions, and issue early warning to communities living along the Pacific Coast.
Catastrophism and uniformitarianism have played a major role in the interpretation of the history of earth. The first assumes rapid, unusual, major geological events, while the second asserts with the contrary concept of small, slow, and prolonged changes.
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