|This is the second post in a multi-part review of a young-Earth creationist (YEC) presentation given by Dr. Nathaniel Jeanson of the Institute for Creation Research in Billings, Montana in November 2012.
Part 1 — The Relevance of Genesis (I was in complete agreement with Dr. Jeanson). The YEC version of the scientific method.
Part 2 — This Page. Hyper-rapid post-flood diversification of species. Five fossil facts that YECs think point to Noah’s flood.
Part 3 — Distortion of “uniformitarianism.” Mount St. Helens.
Part 4 — Seawater. Mud sedimentation rates. Radiometric dating.
Part 5 — Dinosaurs in the land of bunnies and daisies. My question in the Q&A.
I am an old-Earth Christian and strongly disagree with much of what Dr. Jeanson presented. I believe that young-Earth creationism is neither Biblically necessary nor scientifically feasible. Dr. Jeanson is my brother in Christ, and nothing I am writing in this series should be taken as an attack on him or any other YEC believer.
There are two additional posts related to this conference. In I do have an advocate before the Father, I discuss a conversation I had with a fellow attendee at the conference. In There is more than one way to be really wrong about the environment, I critique a video that was shown promoting a radical anti-environmental documentary.
This morning (9/10/2012) I attended another of Dr. Nathaniel Jeanson’s young-Earth creationist (YEC) presentations, sponsored by the Big Sky Worldview Forum. He gave three presentations, one each on biology, geology, and dinosaurs.
It is interesting that YECs are so opposed to evolution, but then turn around and advocate hyper-rapid evolutionary change (all called microevolution) in the time after Noah’s flood.
I won’t report much about Dr. Jeanson’s biology presentation, except to say that the rate of post-flood diversification of species advocated by YECs would make the most ardent evolutionist’s head spin. According to the YECs, one did not have to have horses, zebras, donkeys, and all the other equids on Noah’s ark, but only a single pair of ancestral equids. All of the modern equids—horses, zebras, etc.—came from this pair through rapid divergence after the flood.
He discussed Darwin’s finches (on the Galapagos Islands) and talked about how this shows that related species can indeed form over time from a common ancestor. He then pointed to a YEC study that states that not only Darwin’s finches, but perhaps 1000 bird species, all came from a single pair on Noah’s ark. The PowerPoint slide looked like this included cardinals, orioles, and a wide variety of other birds.
Elsewhere in his biology presentation he stated that all of this diversification occurred in the past 4300 to 4500 years, the time since YECs say Noah’s flood occurred. But he really does not have that much time for ancestral finches to diversify into 1000 species, or for the ancestral equids to diversify into the wide variety of horses, zebras, and donkeys that we see in the world today. This is because most of this diversification would have had to happen—and I’m thinking of the YEC chronology here—within the first few hundred years after the flood. Otherwise, you could not have the distinction between horses and donkeys in the Old Testament, the diversity of life that is described in other ancient writings, nor the geographic distribution of organisms around the world that we see today.
Geology — Fossils
Dr. Jeanson began this presentation by reminding us that the Bible requires that:
- There was no animal death before Adam’s fall into sin (no it doesn’t — see my post Death before the fall — an old-Earth Biblical perspective).
- There were no thorns before the curse (that is really hyper-literal over-reading of the text).
- Noah’s flood had to be global (only if you only read YEC commentaries — see my post The YEC “Did God really say?” tactic).
- The fossil record must have been deposited by the flood (just like the Bible says in Genesis chapter 6½ verse 22.7b, and in 3 Thessalonians 14:55).
Next, Dr. Jeanson gave us Five Facts That Point to the Flood:
- Fossils are 95% marine. He showed a diagram of the geologic time scale, with trilobites in the earlier Paleozoic, fish in the middle Paleozoic, amphibians and insects later in the Paleozoic, dinosaurs in the Mesozoic, and mammals in the Cenozoic. He said that we should not look at this order, however, but at the fact that most fossils throughout the geological record are marine, such as fossils of fish, trilobites, belemnites, ammonites, and brachiopods. So he dismissed the order of land vertebrates with a hand wave—a vertical distribution that YECs have yet to adequately explain—and then ignored the fact that the marine fossil record also shows significant change as one goes up the geologic column.
- Fossil distribution — they are found on the continents. This implies that the oceans covered the continents. I would say that marine fossils on continents are a problem for neither YECs or within the standard old-Earth geological interpretation. It was interesting, however, that the picture Dr. Jeanson showed for this point was of a fish from the Green River Formation in Utah. These fish are all freshwater fish, who lived together with a wide variety of plants and animals who made up a freshwater ecological community, and are beautifully preserved in non-marine lake sediments. It is extremely difficult to envision how this freshwater community was caught up in Noah’s flood, held together as a cohesive unit, and deposited late in the flood with exquisite preservation. If, as some YECs envision, the Green River Formation is a post-flood deposit, it is difficult to imagine how all of these organisms got to the Green River Basin of Utah, Wyoming, and Colorado quickly after the flood, matured into a complete ecosystem, and did this while thousands of feet of sediments were being deposited to make the Green River Formation.
- Geologic layers can extend over large areas, sometimes covering an entire hemisphere. This implies a large, watery catastrophe. He gave the example of chalk layers in Texas that extend all the way to Britain. The standard interpretation of these extensive layers—here in Montana the Madison Limestone is the same layer as the Redwall in the Grand Canyon—is that similar ecological conditions existed over very large areas. I see no problem with this. On the other hand, I do see problems with Jeanson’s chalk layer. Chalk—such as exposed at the White Cliffs of Dover in England—is composed of innumerable microscopic shells of coccolithophores, which are algae. These algae need sunlight in order to do photosynthesis. The YEC explanation for thick chalk deposits is that there was an algal bloom during the flood, and that the organisms all died and sank to the bottom. The problems with this hypothesis include the fact that the flood waters must have been murky, which would reduce photosynthesis, and that too many other things would have been going on at the same time to allow the coccoliths to all settle to the sea floor to make a rather pure layer.
- Snapshot fossils imply quick burial. He showed another Green River fossil fish photo, with a bigger fish choking on a smaller fish (here are some examples). This has all of the problems I listed above on #2. How did these freshwater fish survive most of the flood, only to be entombed at the end? Why were they not abraded by all of the silt they are preserved in? He also showed an ichthyosaur caught in the fossil record giving birth. In the YEC scenario, this marine reptile survived two-thirds of the flood and was suddenly overwhelmed by the flood that had already been going on for weeks or months.
- Soft tissue fossils imply a young age and recent burial. Jeanson talked about soft tissues that have been discovered in bones of Tyrannosaurus rex. I agree that the discovery of soft tissues in these Cretaceous fossils is quite surprising, and that paleontologists don’t have a good explanation for how they could be preserved for more than 65 million years. I don’t know the answer. It is possible that a mechanism for preserving certain organic compounds for very long periods of time will be discovered, but that has not happened yet. This is one of the few YEC arguments that I don’t have an answer for. One anomaly is not enough to demonstrate that YEC is true.
Jeanson concluded his Fossils section by saying that this all screams Noah’s flood. No, it screams that YEC arguments are full of holes, and should not be used by Christians as proof of the truthfulness of God’s Holy Scriptures.
There is much more, but that is enough for one sitting at the computer. There is more to come.
Grace and Peace
Update 2/19/2015 — I stated that I had no answer for “soft tissues in dinosaurs.” I think this is still a partially unsolved issue, but the blog Naturalis Historia does a great job of turning the argument back on the YECs. If soft tissue (and DNA) can be preserved for over four thousand years–and we know that it can be preserved that long–then why isn’t the geologic record full of organisms with preserved soft tissues? Read more at: