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June 11, 2018

Monday Geology Picture: Roots and Rock

It’s been over a month since I posted a “Monday Geology Picture”. Apologies for that — I was traveling (4 weeks in a row!) and was very busy. Anyway, I’ll try to post regularly again now. Today I’m sharing an impressive example of biological weathering, which is when a living organism contributes to the weathering of a rock. In this case, large tree roots are breaking apart a sedimentary rock. …

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April 30, 2018

Monday Geology Picture: Another View of Fish River Canyon, Namibia

This week I’m sharing another view of Fish River Canyon in Namibia. This week’s picture shows the canyon as viewed from the start of the hiking trail. In the foreground you can see the very start of the hike: a steep path downwards with some safety chains. Also check out last week’s picture, which was taken at the bottom of the canyon.

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April 23, 2018

Monday Geology Picture: Fish River Canyon, Namibia

This week I’m sharing a picture from Fish River Canyon in Namibia. This remote and beautiful canyon has some stunning geology – I’ll blog more about it when I have a chance. Back in 2016 I hiked the canyon over 5 days with a group of good friends. I highly recommend the trip, although you should make sure that you’re really fit since I found the backpacking to be quite …

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April 16, 2018

Monday Geology Picture: Another View of Formica Leo Volcanic Crater

Last week I shared a picture of the beautiful and impressive Formica Leo, a volcanic crater located at the Piton de la Fournaise volcano on Réunion Island in the Indian Ocean. Last week’s picture showed the crater from a distance. You can just barely make out some small people in last week’s picture, to give you some sense of scale. However, I thought I would share a closer view of …

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April 9, 2018

Monday Geology Picture: Formica Leo Volcanic Crater

Today I’m sharing a picture of the stunning Formica Leo (foreground), a volcanic crater located at the Piton de la Fournaise volcano on Réunion Island in the Indian Ocean. My husband and I hiked up this crater when we visited the island for a holiday last year. We also hiked up to the top of the volcanic hill in the distance — crossing over a number of lava flows of …

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April 2, 2018

Monday Geology Picture: Newcastle Coal

During my recent trip to Australia, I was able to pick a piece of coal off of the ground — something that I’ve never done before. I was in Newcastle, a coal mining region, for a conference. One evening I went for a walk along the beach, where coal seams are visible in outcrop. The picture above shows a piece of coal that I picked up off of the beach …

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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 19, 2018

Monday Geology Picture: A Living Fossil Tree

Today is my last day in Australia. Today, my family, some friends, and I spent a few hours exploring the Royal Botanic Garden in Sydney. There are many beautiful and amazing plants in the garden. However, one plant in particular caught my eye: the Wollemi Pine, which is considered a living fossil because until the tree was discovered in the 1990s it was only known from the fossil record. The …

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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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March 5, 2018

Monday Geology Picture: Great Barrier Reef View

My family and I are flying to Australia tomorrow, so for this week’s “Monday Geology Picture” I thought I would share a view of the Great Barrier Reef that we took when we last visited Australia back in 2015 — before the serious coral bleaching events of 2016 and 2017. I’ll be sharing more Australia pictures soon, so stay tuned!

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