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March 26, 2018

Monday Geology Picture: Weathered Sandstone at Cottage Point, Australia

Here’s another picture from my recent trip to Australia. This picture shows a weathered  sandstone outcrop that I saw (by kayak!) at a place called Cottage Point. You can see fresh banded sandstone (light in color) underneath a darker weathering rim. Weathering has created some very interesting shapes in this outcrop! There are quite a few sandstone rocks in the Sydney area. They are frequently used as building stones — …

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March 12, 2018

Monday Geology Picture: Sandstone Building Stone

I’m currently on the east coast of Australia, where local sandstone is commonly used as a building stone. Above is a picture that I took this morning. This picture shows some beautiful building stones on display at the University of Newcastle. The cross-bedding and variable coloration of the sandstone layers is just gorgeous. What a lovely building stone!

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May 8, 2017

Monday Geology Picture: Sandstone Rock Art

First and foremost, I must apologize for the long gap in my blogging. I started the year with great intentions to revive this blog with my monthly science book posts… and then I didn’t post for several months! However, I think I have a good excuse: in January I found out that I am pregnant. Unfortunately, I have been suffering from an extreme form of morning sickness. I’ve been really, …

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February 28, 2016

Elephant’s Eye Cave Hike in Pictures

On Monday I shared one picture from a recent hike to Elephant’s Eye cave in Silvermine Nature Reserve here in the Cape Town region of South Africa. Today I’m sharing some more pictures from that hike, which took place last weekend. I really enjoy hiking to Elephant’s Eye.The hike consists of a fairly easy 3 hour round trip route that takes you through some beautiful fynbos vegetation and past some lovely rock …

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February 22, 2016

Monday Geology Picture: Elephant’s Eye Cave

This week’s “Monday Geology Picture” post features a natural rock formation that resembles an elephant. A small cave named “Elephant’s Eye” is located at the eye of this rock elephant’s head. The elephant consists of Table Mountain Sandstone and is located in the Silvermine Nature Reserve here in the Cape Town region of South Africa. On Saturday I hiked up to Elephant’s Eye with some friends. We hiked on a rare …

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September 8, 2015

Syndey Sandstone

Back in March and April 2015 my husband and I travelled to Australia for a couple of weeks for vacation. We went to visit some good friends who live in Sydney. We spent most of our time in Sydney and some of the surrounding areas, such as the Blue Mountains. We also spent a few days up in the Port Douglas area, including a couple of days on a boat …

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July 27, 2015

Monday Geology Picture: Cross-Bedding Sandstone Bench, Sydney, Australia

Goodness, I’ve been busy recently! I’m afraid that my blogging has been quite neglected… as it has been for the past few months. However, things have finally calmed down a little now, so I’m going to make an effort over the next few weeks to share some geological pictures from some of my recent travels… and also possibly from some travels in 2014 that I neglected to blog about. I’ll …

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June 29, 2015

Monday Geology Picture: The Three Sisters, Blue Mountains, Australia

This week’s Monday Geology Picture was taken during my recent vacation in Australia. One day my husband and I drove outside of Sydney to spend some time exploring the Blue Mountains. One of the tourist attractions that we visited is a lovely rock formation known as The Three Sisters. This rock formation was carved (by erosion) out of ~250 million year old sandstone.

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April 13, 2015

Monday Geology Picture: Sydney Sandstone Building Stones

During my recent travels in Australia, I noticed quite a bit of sandstone around Sydney. Therefore, I was not particularly surprised to also see quite a few sandstone building stones around the city. For example, the stones shown in the above picture, which shows part of a bridge in North Sydney. By the way, I’m back home in South Africa now and won’t be travelling for a little while. So, …

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April 6, 2015

Monday Geology Picture: More Sydney Sandstone

I’m still in Australia at the moment but will be home in a few days. I’m looking forward to writing up a few blog posts about some geological sights in Australia once I’m back home. For now, though, here’s a picture showing another beautiful example of sandstone in the Sydney area. This picture was taken at the Sydney Zoo. The red and orange colors are a result of iron oxidation. …

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