Hi Brian. Thanks for the very informative email, lots of useful information! I am aware of a few deposits here in South Africa, some of them extremely rich and yes, I have had a look at what is availa

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Hello Rudi, First, I must tell you that I know nothing of the geology of South Africa. I do not think that you will have any luck just 'randomly' sampling*- you need to find a deposit which has a sign

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Hi Rudi, I can not really help you re fossil diatoms but I have a collection of diatoms but can not confirm if they are fossil diatoms. Just realised I do have phots of fossil diatoms somewhere. Best

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Hi everyone. I live in a semi desert area (Karoo region in South Africa) that used to be an inland sea/lake. I have seen indications of fossils including shells and signs of Zoophycos. Since I have an

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Mary and I have published the first two articles on our Edmonds, Washington, parks project. http://www.microscopy-uk.org.uk/mag/artsep21/dr-mt-Edmonds-1.pdf http://www.microscopy-uk.org.uk/mag/artoct2

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Dave, Nice image you just posted of the live cell of Nitzschia sigmoidea! Rob

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Dungeness Spit is on our list. The Park you mention on Ediz Spit is possible. I have been to the tide pools at Port Crescent, further west, in the Salt Creek Recreation Area and may go there this trip

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Maybe Dungeness Spit??? Or Sail and Paddle Park???

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It’s possible that Arachnoidiscus and Isthmia might hang out on seaweed there as it is open ocean. Look for fresh red seaweed drift or attached seaweed if it is low tide. I would like to know if you f

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Hi Rob, I’m afraid the only time I’ve been to Port Angeles was to take the Blackball Ferry to Victoria. Mary Ann

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Hello, Mary Ann. I will be near Port Angeles for a few days this month. Where might be some good collecting spots in tidal areas? -Rob

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We will look forward to the articles! ~Rob

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Mary and I sampled four sites on two months, These were Goodhope Pond (freshwater), Edmonds Marsh (freshwater), Willow Creek (freshwater), and the Fishing Pier in Edmonds, Washington. We are now sorti

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Oops- one genus has been subtracted - now 19 genera.

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Carry on!

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Mary and I are up to 20 genera of diatoms and at least 25 species. Just from four samples! As we are trying to ID them from living material we are probably undercounting!

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Alas no access to a SEM!

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Great diversity, lots of interesting diatoms. I can't wait to see photos and SEMs of them. This is exciting! Speaking of that, I'll update my album tomorrow, many to add. Kind regards, Daniel

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Meant "However."

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Oops- repeated Stephanopyxis. How we have added several more genera since then and are now to at least 15! David Richman

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