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Wednesday, November 24, 2021

11/24/21 Report - Some Treasure Coast Beaches As Seen Today. Great Coin Cleaning and Conservation Process.

 

Written by the TreasureGuide for the exclusive use of the Treasure Beaches Report.

John Brooks Wednesday Afternoon Before Low Tide.

There was some sand loss at John Brooks in recent days.  There were even a few two-foot cuts, especially up around the bend, but the beach was fat.  That is the best word I can think of.  Most of it was convex and not very firm.  There were some buried shell layers containing aluminum and similar junk.  Sea weed was washing up, so at that time the beach was building.


John Brooks Beach Wednesday Afternoon.

John Brooks wasn't my first choice today, but I didn't have time between obligations to do anything else.

JamminJack visited Seagrape and Turtle Trail Today. Below are the photos he sent. 


Seagrape Trail Access Wednesday.

Jack said, Talked to them today and they are still not sure about Turtle Trail. They are finished with Treasure Shore area, but I was told Sea Grape will be closed for almost 6 months. Very nice person allowed me to go on the walkway and take some photos. I thanked him for letting me do that. They understand the frustration. The lot will be empty thru Thanksgiving, but remains closed. There will be a guard.

Seagrape Trail Beach Today.


Seagrape Trail Beech Wednesday.

Here are a couple pictures that Jack sent of Turtle Trail.  They were taken about 1 PM Wednesday.


Turtle Trail Around 1 PM Wednesday.


Turtle Trail Around 1 PM Wednesday.

Thanks to Jack.

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Here is a link for an an article you will want to read.  

Jayne Godfrey | University of West Florida - Academia.edu

The title is "Coined" in the New World: The Conservation and Importance of Coins from a 1559 Spanish Shipwreck"

Here is the treatment they used.

Pre-treatment: • Concretion was immersed in a 10% hydrochloric acid solution • Remained in the solution until the concretion stopped bubbling • Thoroughly rinsed artifact 

 Treatment: 

• Dissolved 40 grams of sodium hydroxide into one liter of water 

 • Added 60 grams of sodium hydrosulfite to solution 

 • Placed concretion into solution in a completely filled container that allowed no oxygen to enter 

 • Put container in the oven (set at 50 degrees Celsius) 

 • Agitated daily to ensure all surfaces of the artifact were exposed to the solution.

 • Immersed in solution for 7 days 

 • Upon removal, the concretion was rinsed allowing the encrustation to peel away with ease, leaving behind a beautiful 16th-century coin 

 • To remove the dull look of the artifact the coin was gently polished with baking soda 

 • Rinsed in a series of deionized water baths 

 • Finally placed on aluminum foil to air dry. 

 • Remaining concretions were consolidated in a 5% solution of Acryolid B-72 and air dried


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The surf tomorrow will be a foot smaller, but otherwise very similar.

Happy hunting,

Treasureguide@comcast.net