There is no physical geocache container at this location. Earthcaches teach you about geological features. To claim a find on this Earthcache, you are required to answer three questions AND upload an image of yourself, your geocaching name, or your GPS at the location.
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Let's check out good ol' Cathedral Rock
If you are at or near the listed coordinates then you are on a small landmass called Norfolk Island on the Norfolk Rise, a pronounced north-trending continental ridge between New Zealand and New Caledonia. Norfolk Island is an erosional remnant of a number of local volcanic centres that erupted around 3 million years ago. In this Earthcache we won't be focusing on the geological makeup of this island. We will instead be focusing on the early stages of the formation of what could be an impressive sea arch. Norfolk Island's Cathedral Rock is a distinctive offshore columnar basalt sea stack. Let us first look at how sea stacks form: Waves relentlessly attack headlands, exploiting weaknesses like cracks to carve out caves, then arches, and eventually, the arch roof collapses, leaving an isolated pillar of rock (the stack) standing in the sea, which further erodes until it becomes a stump or in some case, another arch.. which further erodes..... This dramatic northern coastline currently has a total of 33 offshore platforms. Cathedral Rock has something unique. Make your way to Waypoint 1. For your convenience I have organised the installation of a bench.
Cathedral Rock from Waypoint 1
Questions and task:
1. From Waypoint 1, observe Cathedral Rock. What do you notice about this rock formation when wave-action is in motion?
2. Continue on to the listed coordinates and once more observe Cathedral Rock and wave-action. From here you will get a clearer understanding of what you observed at Waypoint 1. What is inside Cathedral Rock? It is a product of preferential erosion via wave-action (wave quarrying and rock topple) through pre-existing joints of columnar basalt.
3. From your observations, speculate on what will happen to cathedral rock over the next millions of years.
4. Take a photo of yourself, or your geocaching name, or your GPS with a view of Cathedral Rock in the background and upload it with your log.
Feel free to log your find straight after your visit.
Answers will be expected within a few weeks of a Found log.
Logs without answers and a required image will be deleted without warning.
Answers are best sent via this website or the Geocaching App.
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And now, together, we must sing..
Hey-ey-ey
Good old Cathedral Rock is here to stay-ay
I'm just crazy 'bout the way you stand
Doin' the sea-ea stack, doin' the sea-ea stack!
Rock, rock, rock!
SORRY - NOT SORRY...