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What is 'hooibergite?

Anonymous

∙ 12y ago

Updated: 12/10/2022

Hooibergite is a distinctive variety of quartz dioritethat's found on Aruba. It's named for Hooiberg ['Haystack'], a volcanic formation almost in the center of Aruba. Hooiberg is made up of this distinctive rock.

Douglas Hodkiewicz ∙

Lvl 13

∙ 3y ago

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What is Aruba made of?

Three main rock groups make up Aruba. One, igneous rocks were formed from volcanic activity that occurred about 90 to 95 million years ago. Igneous rocks on Aruba include diabase, tuffs [from Italian 'tufo'], and schists. Two, metamorphic rocks were formed from previous existing rocks that were transformed by high temperatures and pressure. Metamorphic rocks on Aruba include quartz diorite, gabbro, and a distinctive variety of quartz diorite called 'hooibergite.' Three, sedimentary rocks were formed on top of the older igenous and metamorphic rocks. Sedimentary rocks are the youngest rocks on Aruba. Limestone is the sedimentary rock on Aruba. To view hooibergite laced with quartz, please visit the link provided below.

What is 'hooibergite?

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What is Aruba made of?

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