@archeaids@mastodon.online
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archeaids

@archeaids@mastodon.online

Him/he male Southeast USA archaeologist posting about archaeology, history, botany, geology, maps, LiDAR, & more. Twitter: @J_Green_505

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archeaids, to Archaeology
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Two of you are dropped off at a remote marshy site to excavate. Hours later you get a call from the office that is abruptly cut off...zombie apocalypse!

You each can take 1 large & 1 small tool to try to survive.

Which 2 large & 2 small tools do you & your partner choose (4 total) & why? 🤪🧟‍♂️

archeaids, to random
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Black dendrites in chert. Dendrites are caused by hydrous iron or manganese permeating tiny cracks in the rock. #rocks #geology

archeaids, to history
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Ship's ballast stones from New Orleans. Ships arriving empty offloaded their ballast to take on sugar, molasses, timber, & other goods. The surplus stones were used as cobblestones, bracing for streets crossing ditches, garden ornaments & edging.

archeaids, to Archaeology
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How sharp can a flake edge be? I will use the marked edge to shaving & whittle a fresh red maple twig. 2/

archeaids, to history
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The National Register of Historic Places 1836-1837 Christmas Cottage in Jackson, Louisiana. It is a 5-bay raised Carolina Lowlands architectural style built by Richard Christmas. The white door in front is access to the upstairs rooms. 1/

archeaids, to AncientHistory
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A modern corner-notched point made from Tallahatta silicified sandstone.

archeaids, to gardening
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The mesculum is coming along nicely.

archeaids, to random
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Another quartz crystal from the old Coleman's Mine near Hot Springs, Arkansas. #rocks #crystals

archeaids, to Archaeology
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A few of the larger dark blue-gray novaculite flakes that I haven't used yet that can be made into points, etc. US quarter for scale.

archeaids, to Geology
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The silica gel cement that permeated the sands dried out to form opal-CT. The white opal-CT can be seen filling the pore space between sand grains in this magnified view. It many cases the opal cement is clear, but can be stained yellow by ferric oxides (Heinrich 1984). #geology #archaeology #rocks

archeaids, to random
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The label "First Generation Channel" is a project designation when there are multiple relict channels identified on different stratigraphic levels. If 7 channels were identified originating from 4 different stratum, then they are referred to from bottom to top as 1st, 2nd, 3rd & 4th generation.

archeaids, to Archaeology
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Chalcedony nodule from the Wetherington Island site (8HI473), Hillsborough Co., Florida, with test flakes removed (A & C), a knob removed (B) possibly for reduction, & (D) the attachment scar where it was removed from the bedrock.

archeaids, to random
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Question: What app or browser are you using for Mastodon on desktop PC?

archeaids, to Archaeology
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Left) Opal-CT lithic material from a thin (10-15 cm) ledge of rock uncovered at Fort Johnson, Vernon Parish, LA. It is possibly Fleming opal. Right) Banded Alibates flint from the Texas Panhandle.

archeaids, to Archaeology
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Lithic patina normally is a slow process of chemical &/or physical weathering of fresh surfaces. There's usually no set rate, since it depends on various environmental conditions that can change over time. This quarry chalcedony from 8HI473 is starting to patinate as seen by the slight milky clouding.

archeaids, to history
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From the old shed today. You may have heard the colloquial phrase "You don't know shit from Shinola"? Well, this is a pre-ca. 1940 Shinola shoe & leather polish 2 oz. bottle.

Started ca. 1877, it came in paste & then liquid, dyed different colors for different color leather, but also came in clear.

archeaids, to Archaeology
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Mississippian (ca. AD 900-1700) Vernon Paul Applique' var. Vernon Paul loop handle jar from the Vernon Paul site (3CS25; aka Jones/Borum), Cross Co., Arkansas (Phillips, Ford & Griffin 1951, Fig. 97a). Dia. 5".

The appliques are interrupted by a line around the waist.

archeaids, to Archaeology
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Side-scan sonar of the drilling derrick & other debris off the jack-up barge Maverick destroyed by Hurricane Betsy on Sept. 10, 1965, in the northern Gulf of Mexico.

archeaids, to maps
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3-D bathymetry with 0.5 ft contour lines showing one of our geophysical survey areas in the Gulf of Mexico with the surface expression of about 1/2 of a salt diapir (dome) rising above the seafloor.

archeaids, to Archaeology
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Bullen's 1968 drawing of the different forms of the Bolen Beveled (ca. 8000-7000 BC) projectile point in Florida.

archeaids, to Archaeology
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At high firing temperatures this clay turns a salmon color. The bodies of both of these Southwest reproduction bottles were made exclusively with the Andalusia kaolin.

archeaids, to Archaeology
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The pendant is made from a flat leaf-shaped rock that could be tuffaceous sandstone or sandy shale from central Arkansas. It was ground smooth using sandstone on both surfaces, with minor shaping around the edge. The triangular design was carved with a flake. 2/

archeaids, to Archaeology
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Weeden Island Incised (ca. AD 300-1000) human effigy vessel from the smaller mound near Burnt Mill Creek (8BY16), Bay Co., Florida (Moore 1902, Fig. 32-33).

archeaids, to Archaeology
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Coarse chert quarry trim with cavity remnants from Site 8HI473 near Tampa, Florida. The stream at the site had a ledge of chert that looked like Swiss cheese where silica filled the cracks & cavities in the limestone, then acidic conditions ate the calcium carbonate away, leaving the chert. Often the silica permeates into the limstone somewhat, creating coarse, porous chert rind.

See main text
See main text

archeaids, to random
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Oligocene silicified wood from west-central Louisiana. One side (right) exhibits the warped grain of a branch attachment knot.

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