Petrology Posts

Duluth Deep Dive #4: A Rock on Fourth Street

A rock on a section of undeveloped land on Fourth Street between Seventh and Eighth avenues east. (Photo by Matthew James)

There are a lot of rocks, large and small, strewn about Duluth. This post uses the assistance of ChatGPT, backed-up by a moderate amount of fact checking, to figure out what can and cannot be known about this particular one.

PDD Quiz: Duluth Rocks

With Homegrown Music Festival just around the corner, we’re all aware that Duluth rawks. But how much do you know about Duluth rocks? Test your knowledge of local rocks (and rock-related things) in this week’s quiz!

The next PDD Quiz, reviewing the headlines of April 2018, will be published on April 29. Email question suggestions to Alison Moffat at [email protected] by April 26.

Duluth Rocks: Famous boulders and outcroppings across the city

Elephant Rock

Perhaps Duluth’s most famous rock is Elephant Rock in Lincoln Park. It looks a bit like a giant, half-buried elephant, hence the name.