{"id":18572,"date":"2023-03-23T10:00:13","date_gmt":"2023-03-23T09:00:13","guid":{"rendered":"http:\/\/globetree.se\/?page_id=18572"},"modified":"2023-05-01T22:17:07","modified_gmt":"2023-05-01T20:17:07","slug":"sten-halland","status":"publish","type":"page","link":"https:\/\/globetree.se\/en\/sten-halland\/","title":{"rendered":"Sten – Halland"},"content":{"rendered":"
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Halland County - Ryd\u00f6bruk<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Gneiss granite
approx. 1700 million years<\/u><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\tHalland ber\u00e4ttar – Hur hittade vi stenen (pdf)<\/a>\n<\/span>\nYoutube – Halland stenens ber\u00e4ttelse<\/a>\nYoutube – Barnen utforskar<\/a>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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We are two round loose boulders of gneiss granite from Ryd\u00f6bruk northeast of Halmstad in Halland, I am fairly light and fine-grained, my friend is a little coarser and redder in color and very round. Actually, we have come from somewhere further north, with the inland ice and the ice river that followed the present Nissan valley. There we tumbled around and were ground round and fine by the masses of water and by other stones and gravel and sand that came with the ice river when the ice melted. Then we landed at Ryd\u00f6bruk when the ice river opened into the sea. If you look at a geological soil map, you will see that there is a lot of such glacial material - green on the map - around Ryd\u00f6bruk and further upstream and downstream along Nissan.<\/span><\/p>

Since we are loose stones, it is uncertain where we actually come from in the solid bedrock. Maybe we are from Halland, or we have come from western Sm\u00e5land or even further away from V\u00e4sterg\u00f6tland. Most of the bedrock in this area is roughly the same, and is dominated by gneissic granites that have an age of about 1700 million years. Sweden and Baltica, i.e. what is now northeastern Europe, were included at that time, between 1800 and 1250 million years ago, in a supercontinent usually called Columbia (or Nuna), where most of the continents of the time were gathered. We don't really know what Columbia looked like, but southwestern Sweden must have been close to its edge facing the ocean, because there was a lot of geological activity here throughout this time: volcanic eruptions, and magma that intruded at depth and solidified as granite or gabbro or something in between, and recurring transformations and deformation of the bedrock. It was like being at the edge of the Pacific Ocean today!<\/p>

\"\"<\/p>

So most of the gneisses in Halland and adjacent parts of northern Sk\u00e5ne, western Sm\u00e5land and southern V\u00e4sterg\u00f6tland, the southern part of what the geologists call the \"Eastern segment of the Sveconorvegian province\" (I know, a long and complicated name, geologists like that) are about 1700 million years old, and were originally granites or related rocks that intruded into the Earth's crust as hot glowing magmas\u2014rock melts\u2014that solidified. Some of the gneisses may also have been volcanic or sedimentary rocks deposited on the surface at about the same time. A gneiss is a striped or banded metamorphic rock, i.e. a rock that has been transformed at high pressure and high temperature deep down in the earth's crust. Often, geologists can have a hard time determining what the gneiss was originally, before it was transformed into gneiss. It may have been a granite or a similar intrusive rock, or a volcanic rock, or a sedimentary rock, it is not always so clearly visible, and may require detailed investigations to determine. We gneisses are a little secretive of us. My smaller friend next to me probably looks more granitic than I do, with his content of coarser dark minerals; I myself am quite light and fine-grained and anonymous in appearance. But nowadays the geologists believe that most of the gneisses in this area have been granites, so then we can call ourselves gneiss granites or granitic gneisses.<\/p>

We have been exposed to transformation - metamorphism - and deformation deep down in the earth's crust several times, both about 1450 and about 1000 million years ago, when the Sveconorvegian mountain chain was formed. So we have a very long and complicated history behind us. After the Sveconorvegian mountain range was eroded away, maybe 600 million years ago, we came up close to the earth's surface and could exhale and breathe some fresh air (just kidding, we rocks don't need to breathe any air at all, we're not like animals and humans) . As with the Bohus granite further north, Halland gneiss is mined along the coast and sold as building stone for various purposes. The beautiful veined gneiss can be worked in different ways \u2013 cross-hammered, flamed, ground, polished \u2013 giving different looks.<\/p>

Geologist \u00c5ke Johansson<\/em>
<\/em>Swedish Museum of Natural History<\/em><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Folktro och sa\u0308gner om Knysthall<\/h2><\/div><\/div>

\u201dFo\u0308r la\u0308ngesedan fanns det en ja\u0308tte som bodde i Torup. Varje so\u0308ndag fick han ont i o\u0308ronen av klockorna som han ho\u0308rde ringa fra\u030an La\u030angaryds kyrka. En so\u0308ndag fick han nog och tog upp en va\u0308ldig sten ur marken, vilken han kastade i riktning mot oljudet.<\/p><\/div><\/div><\/div>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00a0<\/div><\/div>

Han hade dock missbedo\u0308mt sin styrka. Stenen flo\u0308g i va\u0308g endast 4 kilometer, i sta\u0308llet fo\u0308r de tva\u030a mil som det var till kyrkan, och landade da\u0308rfo\u0308r mitt i Rydo\u0308bruks samha\u0308lle.<\/p>

(Denna sa\u0308gen, vilken i denna version verkar uppsta\u030att senast pa\u030a 1800-talet, har sitt ursprung i en rad liknande \u201dja\u0308tten kastade en sten mot klockringningen\u201d som finns spridda o\u0308ver hela landet. En gammal bena\u0308mning pa\u030a flyttblock a\u0308r ocksa\u030a \u201dja\u0308ttekast\u201d. Det a\u0308r fo\u0308rst mot senare ha\u0308lften av 1800-talet som det gick upp fo\u0308r sin tids geologer att flyttblocken i landskapet var resultat fra\u030an en avla\u0308gsen istid.)<\/p>

\u201dStenen vrider lite pa\u030a sig, varje ga\u030ang den ka\u0308nner doften av nybakt bro\u0308d.
(Ett talesa\u0308tt om Knystahall som var allma\u0308nt fo\u0308rekommande under hela 1900-talet.)<\/p>

\u201dDet a\u0308r nycklar. Om man lyckas vrida om dem o\u0308ppnar sig stenen. Da\u030a finns det en prinsessa och en prins da\u0308rinne.<\/p>

\u201dJag har ho\u0308rt att det finns zombies.<\/p>

(Nutida barn i Rydo\u0308bruk pratar om varfo\u0308r det finns ja\u0308rntenar med o\u0308glor instuckna i det stora stenblocket).<\/p><\/div><\/div><\/div>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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