Försök till tefrokronologisk datering av några svenska torvmossar

Persson, Christer

doi:10.1080/11035896609448933

Cited by 51 publications

(40 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It remains to be proven if it also can be found in Scandinavia. Some of the tephra horizons that Persson (1966;1971) reported from Norwegian and Swedish peat bogs were dated to c. ad 800-1200, which might suggest this. Alternatively, these tephra horizons are from the Hekla-1 eruption (ad 1104) or the rhyolitic component of the Landnám tephra.…”

Section: Discussionmentioning

confidence: 99%

“…Distal tephras, close in age to the Landnám tephra, have also been described from Ireland, the Faroe Islands, Sweden, Norway and northern Germany (e.g., Persson, 1966;1971;Pilcher and Hall, 1992;Hall et al, 1993;Pilcher et al, 1995;Hannon et al, 1998;Hall and Pilcher, 2002;van den Bogaard and Schmincke, 2002). These tephras, although also from the ad c. 800s, have separate geochemical signatures.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Rhyolitic tephra horizons in northwestern Europe and Iceland from the AD 700s–800s: a potential alternative for dating first human impact

Wastegård

Hall

Hannon³

et al. 2003

The Holocene

View full text Add to dashboard Cite

Abstract:The distribution and geochemistry of four rhyolitic tephra horizons from Iceland dated to the ad 700s-800s is assessed. These include the rhyolitic phase of the Landnám tephra (ad 870s), the ad 860 layer, a previously unrecorded tephra called the GA4-85 layer (c. ad 700-800) and the Tjïrnuv ‡k tephra (c. ad 800s). The ad 860 and GA4-85 layers were rst found in peat bogs in north Ireland. They are here correlated with equivalent horizons on Iceland which were found below the Landnám tephra (c. ad 870s). This time period is considered important in the North Atlantic region, because it coincides with a phase of human settlement in Iceland and the Faroe Islands. The establishment of a detailed tephrochronology may provide a tool for exact dating of sediment successions and sediments associated with archaeological excavations. Caution must be taken especially on Iceland where the Landnám tephra is often used for dating archaeological sites. This investigation show that several rhyolitic tephra horizons occur close in time to the Landnám tephra, and that mistakes can be made if detailed geochemical analyses are not carried out, especially in areas which are distal to the source of the Landnám tephra (the Veidivötn and Torfajökull volcanic systems, southern Iceland).

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Rhyolitic tephra horizons in northwestern Europe and Iceland from the AD 700s–800s: a potential alternative for dating first human impact

Wastegård

Hall

Hannon³

et al. 2003

The Holocene

View full text Add to dashboard Cite

show abstract

“…2(b)) percentages (Larsen et al, 1999;Boygle, 2004;Davies et al, 2007). It was tentatively recorded in peat bogs in Norway and Sweden (Persson, 1966(Persson, , 1967 and later geochemical analyses have confirmed the occurrence of Askja-1875 in the area indicated by Mohn (1878) from documentary records (Boygle, 2004;Davies et al, 2007;Borgmark and Wastegård, 2008). Several records in Scandinavia have very high concentrations with several thousand shards cm À3 (e.g.…”

Section: Askja-1875mentioning

confidence: 88%

“…The first descriptions of distal fallout of tephra from Icelandic eruptions are from documentary records (Connell, 1846;Mohn, 1878) and many of these observations were compiled by Thorarinsson (1981). It was not until the 1960s, however, that tephra horizons were found to be more widespread, with their identification in more distal peat deposits on the Faroe Islands, Norway and Sweden (Persson, 1966(Persson, , 1967(Persson, , 1968 and some 20 years later on the British Isles (Dugmore, 1989;Pilcher and Hall, 1992).…”

Section: Introductionmentioning

confidence: 99%

“…The main distribution was to the north, making this layer one of the most important Holocene markers in marine records north of Iceland Larsen et al, 2002;Kristjansdottir et al, 2007). Hekla-1 is one of the most widespread Holocene tephras from Iceland and was reported in Scandinavian peat bogs as early as the 1960s (Persson, 1966). Persson's records were not confirmed by geochemical analyses, however, and it was not until recently that the Hekla-1 was securely identified in sequences in Scandinavia (Pilcher et al, 2005;Vorren et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

An overview of distal tephrochronology in northern Europe during the last 1000 years

Wastegård

Davies

2009

J Quaternary Science

View full text Add to dashboard Cite

Several tephra layers from the last millennium have been identified in distal peat and lake sediment sequences in northern Europe, forming a framework of volcanic events of great value for palaeoenvironmental investigations. Most of the tephras within this framework have an origin in Iceland, but distal layers from Jan Mayen have also been identified. The predominant transport pathway, in an easterly-southeasterly direction, has led to the deposition of these tephras in a number of terrestrial deposits in northern Europe. Ash from silicic eruptions (>63% SiO 2 ) dominate at these sites, even though many of the documentary records in distal areas report tephra fall from several basaltic eruptions. Here we provide an overview of the distribution, shard concentration and geochemistry of these tephras to highlight the most important isochrones for addressing key dating issues. In particular, three horizons -Hekla-1 (AD 1104), Ö raefajö kull (AD 1362) and Askja (AD 1875) -are found at a number of different locations in northern Europe and as such are valuable tie-points for improving and validating chronological models and for synchronisation of records spanning the last 1000 years. In addition, we present new data identifying tephra from the Grímsvö tn volcanic system within the Lomonosovfonna ice cap on Svalbard, demonstrating that some tephras have been transported 2000 km to as far north as 798 N along a northeasterly trajectory. This discovery highlights the potential for utilising tephrochronology as a correlation tool for palaeoarchives located in more northerly areas and the complex nature of fall-out from different eruptions.

show abstract

The tephrochronology of Iceland and the North Atlantic region during the Middle and Late Quaternary: a review

2000

View full text Add to dashboard Cite

Försök till tefrokronologisk datering av några svenska torvmossar

Cited by 51 publications

References 2 publications

Rhyolitic tephra horizons in northwestern Europe and Iceland from the AD 700s–800s: a potential alternative for dating first human impact

Rhyolitic tephra horizons in northwestern Europe and Iceland from the AD 700s–800s: a potential alternative for dating first human impact

An overview of distal tephrochronology in northern Europe during the last 1000 years

The tephrochronology of Iceland and the North Atlantic region during the Middle and Late Quaternary: a review

Contact Info

Product

Resources

About