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October 7, 2012

Geology Word of the Week: W is for Widmanstätten Pattern

def. Widmanstätten Pattern: An interweaving pattern of the extraterrestrial minerals kamacite (a low nickel content iron-nickel alloy, similar to the terrestrial mineral ferrite) and taenite (a high nickel content iron-nickel alloy, similar to the terrestrial mineral austenite) that appears in some iron-nickel meteorites when a cut section of the meteorite is etched with weak acid. Widmanstätten patterns appear during acid etching because kamacite is more easily dissolved by weak acid than taenite. Widmanstätten patterns are believed to …

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October 2, 2012

Plagiarism and A Strange Comment

Earlier today I noticed an unusual comment on my blog post Blast from the Past: Carbon Cycle Story. In the blog post I share a story that I wrote about the carbon cycle when I was 10 years old as part of a school unit on atoms at my Montessori school. Here is the unusual comment, which is from a “Mrs. Kim”: Please delete this post. I am a biology …

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September 3, 2012

Monday Geology Picture(s): Decorative Stones in the O.R. Tambo International Airport

Today I am going to share some pictures of decorative stones adorning the O.R. Tambo International Airport in Johannesburg, South Africa. I’ve flown through O.R. Tambo a dozen times or more, and I always appreciate the beautiful decorative stones that are found throughout the airport. I took the pictures in this post from the area around the security check-in for the international terminal. I apologize that the quality of these …

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July 9, 2012

Academic Dress Parade!

Several days ago, I shared some pictures of me in my PhD regalia, and I asked people to share with me pictures of academic dress so that I could host an academic dress parade here on Georneys. For those of you who are not familiar, academic dress consists of fancy robes and hats and such that used to be worn daily or regularly by students and professors but which are …

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June 26, 2012

Doctoral Regalia: MIT/WHOI Style

Almost three weeks ago I participated in the doctoral hooding and commencement ceremonies at the Massachusetts Institute of Technology (MIT). During these ceremonies, I received my doctoral hood and my diploma, which I earned for my PhD in Marine Geology, a degree which was jointly awarded by MIT and the Woods Hole Oceanographic Institution (WHOI). During the course of planning for and participating in these ceremonies, I found myself fascinated …

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June 18, 2012

Monday Geology Picture: Tilted Rocks Along the River Dee, Aberdeenshire, Scotland

For this week’s geology picture, I thought I would share a photograph from my recent trip to Scotland. I recently spent four days staying in the village of Ballater, Scotland with  Dr. Ken Glennie, a well-known petroleum geologist (he worked 33 years for Shell and is now an Honorary Professor at the Univeristy of Aberdeen) who is now retired but still spends several hours every day thinking and writing about …

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May 28, 2012

Georneys with Dana- Part V: The Garnet Road

I apologize for a bit of a hiatus in posting. There were some technical troubles with the AGU blogs, and then my husband and I were down in Florida for five days. Blogging may continue to be somewhat light for the next few weeks, but I’ll post when I’m able. First, I’ll finish up my “Georneys with Dana” series. Then, I’ll post a bit about the trip to Florida. Note: I …

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May 16, 2012

Georneys with Dana- Part IV: The Turtle

Note: I convinced my Geokittehs co-author Dana Hunter to fly from Seattle to New Hampshire to visit me for a few days. I handed in the final version of my PhD thesis on Friday May 4th, and Dana arrived the next day to help me celebrate. This is Part IV of my description of the fun georneys we had together during Dana’s visit. Before continuing with my description of the fun georneys that …

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May 7, 2012

Georneys with Dana- Part I: Dinosaur Footprints Near Holyoke, MA

I convinced my Geokittehs co-author Dana Hunter to fly from Seattle to New Hampshire to visit me for a few days. I handed in the final version of my PhD thesis on Friday afternoon, and Dana arrived last night to help me celebrate. So far, we’ve been having a ball. You can expect several forthcoming posts about Dana’s visit, both here on Georneys and over at Dana’s blogs Rosetta Stones …

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April 28, 2012

Geology Word of the Week: U is for Ulexite

def. Ulexite: 1. Hydrated sodium calcium borate hydroxide (formula: NaCaB5O6(OH)6•5(H2O) ), a silky, brittle, generally white evaporate mineral  which often crystallizes in the form of densely-packed fibers that transmit light along the long axis of the mineral. 2. A party trick rock. Have any party guests who think that geology isn’t awesome? Just pull out your fibrous ulexite sample and say, “Hey look, I have a fiber optic rock.” Then …

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