Bukit Limestone Quarry – 1st Indonesian EarthCache EarthCache
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Bukit Limestone Quarry – 1st Indonesian EarthCache
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The Bukit (“Hill”) Peninsula is the teardrop at the very south of Bali, joined to the main part of Bali by a very narrow isthmus, only 1.5km wide at its narrowest.
The Bukit is dramatically different geologically from the rest of Bali. The Bukit is a limestone plateau, formed by sediment laid down in quiet, shallow sea approximately 20 million years ago, and then raised above sea level by movements further below the Earth’s surface. The actual age is not accurately known, due to the absence of obvious fossils in the limestone
The Bukit is far more arid that the rest of Bali, despite enjoying similar rainfall levels. The reason for this is that the limestone weathers very easily, and surface water contains carbon dioxide from the air, making it slightly acidic. This reacts with the limestone, creating crevices, caves and fissures into the surface. Limestone is also very porous. This allows the rain to penetrate the surface to the water table far below. Deep wells have been drilled in the last 25 years to provide water for the tourist resorts in the area. The wells needed to be 50-80 m deep to reach the water table.
The Bukit limestone is massive, with no observable strata. At the listed coordinates you will be standing in the middle of a former limestone quarry. The quarry is now in the process of being developed into the “Garuda Wisnu Kencana” Cultural Park. Entrance to the park is Rp. 30,000.- per person plus Rp. 5,000 for parking. The quarry walls are very impressive and inspiring. You probably realise that limestone is generally a creamy colour, but other colours are visible in the exposed limestone walls.
To log your visit you will need to email me with a description of one of the other colours you can see and provide an explanation for the colour. You may not know the true reason for the colour that you see, but try to come up with a plausible reason.
Enjoy your look around the site, but take care and closely watch any young children in your party, particularly if you venture upstairs to the Garuda monument – there are some sheer drops without any guard rails!
I am happy for you to log your visit in anticipation of my confirmation; however, if I do not receive your email with the required information I will be obliged to delete your log.
Your log should include the number of people in your party. Photos are encouraged but not essential.
(Tip: I suggest you get the WP information for the “Great Dane” cache before visiting this EarthCache – you will pass the GZ enroute. There is also a Geocaching Australia cache in this park, but I was unable to find it – you might have more luck!)
Additional Hints
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