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Pleistocene mollusks near Marcona, Perú coast


traveltip1

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On a recent trip in Perú, near the coastal town San Juan de Marcona, I saw several middle to late Pleistocene marine terraces. In this one, fossil fragile clams and stout scallops are well-preserved, separately packed in thin strata. I think they are Anomia peruviana and Argopecten purpuratus.

20220122_131926.thumb.jpg.d7f53ecc16a8228b3eec1a844940b00c.jpg20220122_131141.thumb.jpg.0894fd77fefc5c8308327a6d07e9e928.jpg20220122_131623.thumb.jpg.cda8c681ccb9cc4479d194fad9c2fd6a.jpg clams20220122_132740.thumb.jpg.2ea28fe20637348d63555980af831e9c.jpgscallops20220122_131303.thumb.jpg.f0d41e7399caa8347490a1f1c422ca15.jpg20220122_131728.thumb.jpg.75de4e594d35ef407fa90afc2895b804.jpg20220122_131738.thumb.jpg.edefb46e4afa5ce92c7da0925a7a2346.jpg

Also found one unidentified gastropod

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Photo shows clam stratum just below scallop stratum.

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Edited by traveltip1
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Great pictures. This reminds me of the layers of Chesapectens in some of the Yorktown deposits

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Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Very nice!

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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Really nice specimens. The scallop is especially gorgeous! Are you bringing any of those back? Thanks for sharing. 

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Sweet fossils!  Just be sure to check the local laws before trying to bring anything back.  Some countries treat fossils like artifacts or national treasures, others are more reasonable.

 

Don

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