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froghag t1_jdwxcuk wrote

Reply to comment by jcwitty in i might be visiting new haven in two weeks for to see a friend. i also like collecting rocks and i hope the change in environment would allow me to see new rock types. is there anything in terms of rock hounding opportunities and collecting rocks that exist here? by Exotic_Park_436

Pretty sure West Rock also has some sort of geological remnants of glaciers in the area. I don't remember exactly what to look for to spot that, but I feel like OP will.

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eagsye t1_jdwzdnt wrote

Judges Cave is a glacier erratic, meaning it rode in on a glacier and was left there when the glacier receded. OP west rock is probably your best bet, and the two parks are some of the best examples of “trap rock”

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froghag t1_je0fj4s wrote

Thank you for expanding on what I could not :)

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