top of page


Lichens and Rocks
At the end of the last Ice Age about 12,500 years ago, PEI would have looked more lunar than Earthly: no vegetation, just clay, silt,...
katemacquarrie22
Mar 192 min read
10 views
0 comments

The Story of PEI Part 2: Fossils
Some may say that PEI is geologically boring, but I think nothing could be further from the truth! Our sandstone bedrock holds...
katemacquarrie22
Jan 153 min read
128 views
0 comments


British Soldier Lichen
PEI’s autumn leaves are gone, but there are still bright splashes of colour in the landscape. One of my favourites is the tiny but...
katemacquarrie22
Nov 20, 20243 min read
39 views
0 comments


Sand Ripples
Few things say PEI more than the expanses of red, ripple-marked sand on our shores at low tide. One of my favourite things about those...
katemacquarrie22
Aug 21, 20242 min read
73 views
0 comments


Offshore Islands
Sites where human and natural histories meet are always interesting, and PEI’s offshore islands are great examples of this. They tell...
katemacquarrie22
Feb 28, 20243 min read
95 views
0 comments


Rockhounding on PEI
You may not think of PEI as a rockhounder’s paradise, but there are interesting geological finds here. Sure, you’re not likely to come...
katemacquarrie22
Feb 7, 20242 min read
1,635 views
2 comments


Black Banks
I describe natural history as the story our land tells about itself. PEI’s bogs tell many interesting stories, and at Black Banks the...
katemacquarrie22
Jan 17, 20243 min read
223 views
3 comments


Coal
I hope you didn’t find a lump of coal in your Christmas stocking, but did you know you can find it along PEI’s shores? Let’s start the...
katemacquarrie22
Jan 3, 20242 min read
117 views
0 comments


Stories in Sandstone
To me, Natural History is the story our land tells about itself. PEI’s oldest stories are told by our sandstone cliffs and go back some...
katemacquarrie22
Dec 6, 20233 min read
54 views
0 comments


Sandstone Oxidation
With the change of seasons, my plant and fungus posts are coming to an end and my two popular winter series – PEI natural history and...
katemacquarrie22
Nov 15, 20232 min read
333 views
0 comments


Walchia Fossil Find
I’ve been checking my favorite coastal sites to see how they’re doing after Hurricane Fiona. As predicted, our sand dunes are recovering...
katemacquarrie22
Jul 12, 20232 min read
198 views
1 comment


Permian to Present 6: Metamorphic rock
So far in ‘PEI: Permian to Present’ we’ve looked at the Island’s sedimentary sandstone, our only igneous outcrop, some of our common...
katemacquarrie22
Dec 26, 20222 min read
44 views
0 comments


Permian to Present 5: Post-glacial evidence
In the last edition of ‘PEI: Permian to Present’ we looked at the Island during and just after the last ice age. Today, let’s examine a...
katemacquarrie22
Dec 26, 20222 min read
74 views
0 comments


Reading Sandstone
I’ve had a lot of questions about green-grey layers in the Island’s sandstone. So today let’s look at two reasons why our sandstone is...
katemacquarrie22
Dec 26, 20222 min read
294 views
0 comments


Permain to Present 4: Ice Age
For this fourth edition of ‘PEI: Permian to Present’, let’s jump ahead about 246.9 million years to the time of the last Ice Age. Our...
katemacquarrie22
Dec 26, 20222 min read
116 views
0 comments


Post-Fiona: Sand Dunes
There is no doubt that the pictures from across PEI following Hurricane Fiona were heartbreaking. Iconic trees and local landmarks were...
katemacquarrie22
Dec 25, 20223 min read
47 views
0 comments


Post-Fiona: New Geological Formation
On September 23-24, 2022, Hurricane Fiona changed our Island’s coastline. But amid the heartbreak so many are feeling there is cause for...
katemacquarrie22
Dec 25, 20222 min read
29 views
0 comments


Permian to Present 3: Iron Rock
Welcome to the third edition of “PEI: Permian to Present”. So far, we’ve looked at the Island’s famous red sandstone, learned why it is...
katemacquarrie22
Dec 25, 20222 min read
654 views
0 comments


Permian to Present 1: Reading Bedrock
Welcome to the first installment of my new series “Natural History of PEI: Permian to Present”. I’ll be posting these occasionally among...
katemacquarrie22
Dec 25, 20222 min read
57 views
0 comments
bottom of page