09 September 2014 1 6K Report

Can you estimate the reserves of each?

More Mark McMenamin's questions See All
Can anyone identify this fossil fish vertebral disc?

Shoreline discovery, lighthouse beach, Chatham, MA.

09 October 2018 1,419 0 View

Can anyone identify this Permian seed from Madagascar?

Probably from the Sakamena Formation; photos are opposite sides of the same seed; millimeter scale.

09 October 2017 4,262 3 View

How might one recognize tornado occurrence in the rock record?

Would shredded plant material be an indication?

03 April 2014 634 18 View

Are any American scientists, a marine vertebrate paleontology and a marine sedimentologist, interested in co-supervising a Keck study?

Research venue: Triassic strata, Nevada. Date: Next summer.

06 July 2013 2,475 9 View

What is the oldest known fossil amphipod?

Why do amphipods in general have such a limited fossil record?

05 June 2013 10,015 7 View

Is the type and only specimen of Bostrichopus antiquus Goldfuss in fact lost?

Does anyone have recent interpretations or ideas about this curious taxon?

04 May 2013 8,067 1 View

Can Neo-Darwinism (ND) today be considered a valid scientific theory?

[Tip of the hat to Darryl Smith.]

04 May 2013 3,585 34 View

Do slime molds have a fossil record?

If so, can you provide the pertinent reference?

03 April 2013 1,893 2 View

What controls the placement of parr marks or lateral bars in Salmonidae juveniles (parrs)?

Is the retention of parr marks in adult Golden Trout (Salmo aguabonita) a case of neoteny?

01 January 1970 7,286 0 View

Is life as fundamental a property of the universe as matter and energy?

This was the contention of Vladimir Vernadsky; a viewpoint that really upset A. I. Oparin.

01 January 1970 6,252 1 View

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