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Wanted: Oscar Obsidian - Auckland Museum

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Activity<br />

Sheet<br />

ACTIVITY SHEET<br />

DOMAIN VOLCANO FIELDTRIP (PAGE 3)<br />

The vent has gone - what may have happened to it?<br />

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Two styles of eruption created the shape of the Domain volcano. Which two are they?<br />

Which eruption came first?<br />

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Fernery<br />

Visit the Fernery through the back of the Wintergardens. What rock type is present here?<br />

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Where do you think some of this rock possibly came from?<br />

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Why do you think cement was used to line the bottom of the Fernery ponds and not the other rocks that<br />

are there?<br />

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Duckponds<br />

Cross the road at the kiosk end of the duckponds and walk down the track called Lover's Walk.<br />

Look at the basalt blocks that lie in the stream. Are they natural or were they put there on purpose?<br />

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Basalt blocks are used to form steps on the path (as well as the edges of many roads in <strong>Auckland</strong>).<br />

Where do you think the blocks came from and who would have quarried and shaped them? Hint!<br />

These rocks are not from the Domain, but from another volcano close to the Domain.<br />

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As you go down the path, list the methods you can see that are used to stop erosion the stream and the<br />

path.<br />

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<strong>Auckland</strong> <strong>Museum</strong> 37

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