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Journal of Creation  Volume 25Issue 2 Cover

Journal of Creation 25(2):12–14
August 2011

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Flood By Design
by Michael J Oard

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Raging Waters

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Seeing Noah’s Flood in geological maps


Figure 1. The 1:250,000 geological map series covers the whole of Australia. The Goondiwindi map is shaded.
Figure 1. The 1:250,000 geological map series covers the whole of Australia. The Goondiwindi map is shaded.

Geologists have long recognized that a knowledge of the past history of the earth is fundamental to their discipline. Geological pioneer Nicholaus Steno accepted the Bible’s history as reliable and developed his ideas accordingly.1 Modern secular geology arose when workers such as Hutton and Lyell dismissed biblical history and assumed a different history using the philosophical principle of uniformitarianism—the past has always been similar to the present.2 Traditionally, the science has been split into two parts—physical geology and historical geology.

In recent decades, Christian geologists have again taken the Bible as an eyewitness record of past events and built models by considering how these events would have affected geology.3–5 They appreciate that the Bible describes two global events that greatly impacted the geology of the earth, each of which invalidates the secular assumption of uniformitarianism and an earth billions of years old. Geological models developed from biblical history provide a practical tool to help understand the geology of the earth, and to explore and classify it.

Once a theoretical model has been developed it is necessary to examine the geological evidence and classify that evidence within the model. This will help test and evaluate the usefulness of the model and relate the geology of specific regions on earth to events recorded in the Bible. Fortunately, vast areas of the earth have already been explored in detail and their geological features documented in the form of geological maps. These are readily available for most countries. Here I will briefly describe how geological maps can be used to interpret the geology of an area from a biblical perspective.

Figure 2. Goondiwindi 1:250,000 geological map.
Figure 2. Goondiwindi 1:250,000 geological map. Click for larger image.

Australia 1:250,000 geological map series

In Australia a comprehensive series of geological maps was prepared in the 1960s and 70s as part of a government program, and this has been published as the 1:250,000 scale series (figure 1). These maps can now be downloaded free from the website of Geoscience Australia.6

Figure 2 shows the sheet for Goondiwindi (300 km west of Brisbane), Queensland, Australia.7 The information on this sheet is typical of what is provided on each map, with the map itself covering an area about 150 km by 100 km. As usual, the sheet has an interpreted geological cross–section as well as a wealth of other geological material, including the locations of quarries, mines and fossil finds, as well as gravity anomalies.

These maps provide an excellent overview of any area of interest. It is easy to visually scan the whole area of the map and study the cross–section to understand the big picture of what is present geologically. Furthermore, it is a simple matter to refer to adjoining maps and see how the geology extends across the continent. This is exactly what is needed to understand the connection with Noah’s Flood because the Flood was a global event and we can only understand its impact by seeing the big picture. We need to keep in mind that there can be some degree of subjectivity in the way the geological units shown on the maps are defined but the map provides a good starting point.

Connecting with the Flood

Figure 3. Geological section of Goondiwindi. Vertical exaggeration, v/h = 8. The layers are labelled with letters indicating their names: e.g. the symbol 
Jlh stands for Jurassic, lower, Hutton sandstone. The first letter refers to the geological system: C means Carboniferous, P = Permian, TR = Triassic, J = Jurassic and K = Cretaceous.

Figure 3. Geological section of Goondiwindi. Vertical exaggeration, v/h = 8. The layers are labelled with letters indicating their names: e.g. the symbol Jlh stands for Jurassic, lower, Hutton sandstone. The first letter refers to the geological system: C means Carboniferous, P = Permian, = Triassic, J = Jurassic and K = Cretaceous.

The geological cross–section on Goondiwindi extends from west to east. The vertical scale on the section is exaggerated, as it often is, in order that the relatively thin geological layers can be easily seen. Some 75% of the width of the section from the map has been reproduced in figure 3, and the vertical scale has been increased even more than on the sheet, resulting in a vertical exaggeration of 8 times.

Figure 4. The geographical extent of the sedimentary deposits connected with the Great Artesian Basin.
Figure 4. The geographical extent of the sedimentary deposits connected with the Great Artesian Basin.

The need for this vertical exaggeration illustrates the first feature of the sedimentary layers shown on the map—they are relatively thin compared with their lateral extent. This characteristic is something that Ager noted and described as “the persistence of facies”.8 The layers exposed in the Goondiwindi area extend for nearly 2,000 km to the west into the Northern Territory and South Australia (figure 4). Such a vast lateral extent of strata is not a prediction from geological uniformitarianism but it is a prediction for sediments laid down during the global catastrophe of Noah’s Flood: “It is expected that the structures formed during the Inundatory stage would be of continental scale.”9

In figure 3 it can be seen that the sedimentary layers dip down to the west. (The dip looks steep on the section due to the vertical exaggeration but in the field it dip is quite gentle.) Note the strata sit on a ‘basement’ (consisting of sedimentary and volcanic deposits) that is described as “intensely deformed”.10 In other words, there is a clear geological demarcation between the sedimentary strata and the geological unit underneath. The total thickness of all the sedimentary layers is more than 2 km at the western end of the section.

A detailed analysis of the geological characteristics of these strata using the classification criteria within the biblical geological model concluded that they were deposited during the first part of Noah’s Flood—the Zenithic phase.11

That is, these sediments were deposited as the waters of the Flood were rising and just before they reached their peak. This conclusion was based on the expectation that the movement of water during the global Flood would have spread the sediment over vast geographical areas (the scale criterion). Another factor was the presence of footprints and trackways. Certain strata in these layers contain footprints of dinosaurs, temporarily stranded as they tried to escape, which means the layers were deposited before the waters had reached their peak and all air-breathing animal life had perished (Genesis 7:20–24).

Concerning the deformed sediments and volcanics beneath the strata, one possibility is that they could have been deposited during Creation Week. However, these strata contain fossils, which is why they have been classified on the map as Carboniferous (labelled with a C). Fossils mean that these sediments were also deposited in the Flood during an earlier phase. It also indicates that significant tectonic activity occurred during the first part of the Flood deforming the sediments after they were deposited.

Another feature that helps synchronize the geological section to the biblical Flood is the location of the existing land surface. As the floodwaters drained into the ocean they initially flowed in vast sheets which, as the water level reduced, eventually developed into huge channels. This period was primarily an erosional event on the continents, and it is expected that the present landscape was mostly formed at this time: “During the Recessive stage the waters moved off the continents into the present ocean basins. This was a highly erosive process.”12 Holt called this period the “Erodozoic”.13

When we examine the horizontal land surface that runs across the section we can assume that it was mainly carved during the Recessive stage of the Flood. Of significance is the way the geological strata intersect this present land surface. On the cross–section it can be seen that, as the strata rise upwards to the east, they have been truncated at the land surface. This means that the thick strata extended much further to the east and that they have been eroded away. The enormous area of land surface affected and the quantity of material removed is a feature consistent with the global Flood.


A preliminary examination of the geological cross–section for Goondiwindi (figure 3) illustrates how geological maps can reveal the sequence of events occurring during Noah’s Flood. The readily available maps provide an excellent overview. Of course these preliminary ideas need to be checked and tested for consistency with other geological details, such as the information available in field guides, map commentaries, research papers and field reconnaissance. But this analysis shows that geological maps can be used to develop an authentic geological history of the area that fits within the biblical perspective. As these connections between geology and the Bible are made more widely available to the general community it will affect the way people view the world.

Related Articles

Further Reading


  1. Walker, T., Geological pioneer Nicolaus Steno was a biblical creationist, Journal of Creation 22(1):93–98, 2008. Return to text.
  2. Rather than uniformitarianism, most geologists today prefer the term actualism. However, the two ideas are similar in practice in that actualists accept the uniformitarian conclusion that the earth is billions of years old. They allow that huge catastrophes occurred periodically throughout this time (which is consistent with the evidence) but hold onto an old earth. Return to text.
  3. Whitcomb, Jr, J.C. and Morris, H.M., The Genesis Flood, The Presbyterian and Reformed Publishing Company, 1961. Return to text.
  4. Walker, T.B., A biblical geologic model; in: Walsh, R.E (Ed)., The 3rd International Conference on Creationism, Creation Science Fellowship, Pittsburgh, PA, pp. 581–592, 1994. Return to text.
  5. Froede, C.R. Jr., A Proposal for A Creationist Geological Timescale, Creation Research Society Quarterly 32(2):90–94, 1995. Return to text.
  6. Scanned 1:250,000 Geology Maps, Geoscience Australia,; Accessed 15 December 2010. Return to text.
  7. Goondiwindi, Australia, 1:250,000 Geological Series, Sheet SH-56-01, Bureau of Mineral Resources Geology and Geophysics, Department of National Development, Australia, 1st ed., 1972. Return to text.
  8. Ager, D.V., The Nature of the Stratigraphical Record, The Macmillan Press, London, 1973. Return to text.
  9. Walker, ref. 1, p. 591. Return to text.
  10. Called the Kutting Formation consisting of sedimentary deposits and volcanic. Return to text.
  11. Walker, T.B., The Great Artesian Basin, Australia, Journal of Creation 10(3):379–390, 1996. Return to text.
  12. Walker, ref. 7, p. 386. Return to text.
  13. Oard, M.J., Is the K/T the post-Flood boundary? part 2: paleoclimates and fossils, Journal of Creation 24(3):91, 2010. Return to text.

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Readers’ comments
Rene Y., United States, 12 September 2012

I have to say that for the USA the Salt Lake City area is great for flood evidence to the layman. They all agree that there was a "prehistoric" lake there, and the Great Salt Lake has no real inlet (no rivers feeding it) - I think it is a giant puddle that is ever evaporating, thus getting saltier and I right?

Tas Walker responds

Hi Rene,

You are correct that certain areas of the country can give dramatic evidence for the Flood to the layman. I've not studied the area around Salt Lake City in detail so I can't comment. Not that it would be particularly difficult. Geological maps and Google Earth provide a good way to examine the landscape.

Alex F., United Kingdom, 7 September 2012

Thanks for your reply. I have searched your Q&A pages but cannot find an explanation as to why trackways should be distributed vertically through many thousands of metres of deposit laid down by a single flood event. I would be grateful for a reference.

Also I notice that David Catchpoole and Dominic Statham have responded to comments phrased as questions posted against other topics. What are your criteria for choosing to answer some questions and not others?

Tas Walker responds


Our resources are stretched and we are not in a position to individually answer people's questions when they could easily search for themsleves among the thousands of articles freely made available just for that purpose. Look for "briefly exposed diluvial sediments" and you will find articles that talk about the issue you raised.

Katalin P., Australia, 7 September 2012

Great article,it is good to spread the truth,people then will see the Creator and His love. At your site, Ceation, I see many good article for my joy because I wanted to see map, etc. and you got it! Science does not deny a global flood but they dont say it was the Noah,s flood! Sad. Keep up the good work.

tony B., France, 7 September 2012

You state that the Biblical account of the Creation was an eye-witness account, presumably written by Adam and/or Eve. In what language did they write, and with what, and on what? Or was the account purely oral at that stage?

1500 years after Creation, the Flood wiped out all human life except Noah and his family. How did Noah keep the Creation story going, did he have books, or was it purely oral?

Tas Walker responds

Search our site for "Who Wrote Genesis" and find the article "Who Wrote Genesis? Are the Toledoth Colophons?

Alex F., United Kingdom, 7 September 2012

Animal trackways are recorded from Cretaceous through to Carboniferous sediments, more than 2km of sediment. If all the trackways represent animals trying to escape over newly-deposited Flood sediment how can there be so many trackways with such a wide vertical distribution? Did the Flood advance and recede thousands of times to create a vast succession of surfaces, with herds of animals fleeing backwards and forwards across them?

Tas Walker responds


I remind you of the feedback rules:

Important: This form is for submitting comments ... but NOT FOR SUBMITTING QUESTIONS REQUIRING ANSWERS, whether related to the article or not. If you have a question—please search our comprehensive Q&A pages.

Your question is addressed in many articles on the site.

david S., United States, 7 September 2012

Great article. But I need a map of teh USA like this and Europe as well. And I would like to get it in a fashion to show the general population- non-scientific people in a way that makes sense to them. Is it available? Where?

Tas Walker responds

There are lots of articles on our site about Noah's Flood in the USA, as well as book in the store.

Grant D., United States, 7 September 2012

Maybe you guys should do a documentary on this, or is there already one? I would buy it.

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