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Found 8 results

  1. From the album: Fossil Amber and Copal: Worldwide Localities

    “Teruel Amber” Utrillas, Teruel Province, Spain San Just Outcrop, Maestrat Basin Escucha Fm. (El Regachuelo Mb.) Lower to Middle Albian (~114-106.7 ma) Specimen A: 3.2g / 25x19x13mm Lighting: 140lm LED Entry seven of ten, detailing various rare ambers from European, Asian, and North American localities. In Spain, there are more than 100 localities of amber belonging to the Early Cretaceous, with several new localities having been discovered from 1997-2007; however, many of the occurrences are unconfirmed or were from coal mines that no longer exist. The first mention of cretaceous amber from Spain was made in 1762, where it was described as coming from Asturias, a small region in the northwestern portion of the country. There are only seven localities that are described to contain biological inclusions, which localities form a curve that corresponds of the coastline of the Early Cretaceous seas; amber from Álava outcrops contains the highest number of arthropod inclusions, being dominated by the Diptera and Hymenoptera. The deposit richest in amber, also containing the best-preserved inclusions, is the San Just outcrop, located near Utrillas and Escucha (municipalities of Teruel); the San Just outcrop is part of the Escucha Fm., which is sub-divided into three Members: La Orden (upper), El Regachuelo (middle), and Barriada (lower). Amber is associated with coal, siltstone, and clay layers, and occurs in the middle and lower Members, but most frequently in the El Regachuelo. The age of the Escucha Fm. is based on the presence of the ammonite “Douvilleiceras monile”, and a higher concentration of spores than pollen grains. Teruel amber is rich in kauranes (diterpenoid compound), with pimaric acid also being present, which indicates it was produced by a member of the Araucariaceae family, possibly by the genus Agathis. This amber shares a similar superficial appearance (color, pattern/flow, etc.) to that of amber from the Fouras Peninsula, in Charente-Maritime, France; the amber of that region was also likely produced by an araucarian, with some possible production by Podocarpaceae and Cheirolepidiaceae. Sources: “Fossiliferous amber deposits from the Cretaceous (Albian) of Spain”; Comptes Rendus Palevol, Vol. 6 (Issues 1-2), pp. 135-149; Delclòs, et. al. 2007 “A reassessment of the Cretaceous amber deposits from France and their palaeontological significance”; African Invertebrates, Vol. 48 (1); V. Perrichot 2007 “Gerromorphan bugs in Early Cretaceous French amber (Insecta: Heteroptera): first representatives of Gerridae and their phylogenetic and paleoecological implications.”; Cretaceous Research; V. Perrichot 2005

    © Kaegen Lau

  2. From the album: Fossil Amber and Copal: Worldwide Localities

    “Teruel Amber” Utrillas, Teruel Province, Spain San Just Outcrop, Maestrat Basin Escucha Fm. (El Regachuelo Mb.) Lower to Middle Albian (~114-106.7 ma) Specimen B: 1.7g / 21x17x12mm Lighting: 140lm LED Entry seven of ten, detailing various rare ambers from European, Asian, and North American localities. In Spain, there are more than 100 localities of amber belonging to the Early Cretaceous, with several new localities having been discovered from 1997-2007; however, many of the occurrences are unconfirmed or were from coal mines that no longer exist. The first mention of cretaceous amber from Spain was made in 1762, where it was described as coming from Asturias, a small region in the northwestern portion of the country. There are only seven localities that are described to contain biological inclusions, which localities form a curve that corresponds of the coastline of the Early Cretaceous seas; amber from Álava outcrops contains the highest number of arthropod inclusions, being dominated by the Diptera and Hymenoptera. The deposit richest in amber, also containing the best-preserved inclusions, is the San Just outcrop, located near Utrillas and Escucha (municipalities of Teruel); the San Just outcrop is part of the Escucha Fm., which is sub-divided into three Members: La Orden (upper), El Regachuelo (middle), and Barriada (lower). Amber is associated with coal, siltstone, and clay layers, and occurs in the middle and lower Members, but most frequently in the El Regachuelo. The age of the Escucha Fm. is based on the presence of the ammonite “Douvilleiceras monile”, and a higher concentration of spores than pollen grains. Teruel amber is rich in kauranes (diterpenoid compound), with pimaric acid also being present, which indicates it was produced by a member of the Araucariaceae family, possibly by the genus Agathis. This amber shares a similar superficial appearance (color, pattern/flow, etc.) to that of amber from the Fouras Peninsula, in Charente-Maritime, France; the amber of that region was also likely produced by an araucarian, with some possible production by Podocarpaceae and Cheirolepidiaceae. Sources: “Fossiliferous amber deposits from the Cretaceous (Albian) of Spain”; Comptes Rendus Palevol, Vol. 6 (Issues 1-2), pp. 135-149; Delclòs, et. al. 2007 “A reassessment of the Cretaceous amber deposits from France and their palaeontological significance”; African Invertebrates, Vol. 48 (1); V. Perrichot 2007 “Gerromorphan bugs in Early Cretaceous French amber (Insecta: Heteroptera): first representatives of Gerridae and their phylogenetic and paleoecological implications.”; Cretaceous Research; V. Perrichot 2005

    © Kaegen Lau

  3. From the album: Fossil Amber and Copal: Worldwide Localities

    “Teruel Amber” Utrillas, Teruel Province, Spain San Just Outcrop, Maestrat Basin Escucha Fm. (El Regachuelo Mb.) Lower to Middle Albian (~114-106.7 ma) Specimen A: 3.2g / 25x19x13mm Lighting: Longwave UV Entry seven of ten, detailing various rare ambers from European, Asian, and North American localities. In Spain, there are more than 100 localities of amber belonging to the Early Cretaceous, with several new localities having been discovered from 1997-2007; however, many of the occurrences are unconfirmed or were from coal mines that no longer exist. The first mention of cretaceous amber from Spain was made in 1762, where it was described as coming from Asturias, a small region in the northwestern portion of the country. There are only seven localities that are described to contain biological inclusions, which localities form a curve that corresponds of the coastline of the Early Cretaceous seas; amber from Álava outcrops contains the highest number of arthropod inclusions, being dominated by the Diptera and Hymenoptera. The deposit richest in amber, also containing the best-preserved inclusions, is the San Just outcrop, located near Utrillas and Escucha (municipalities of Teruel); the San Just outcrop is part of the Escucha Fm., which is sub-divided into three Members: La Orden (upper), El Regachuelo (middle), and Barriada (lower). Amber is associated with coal, siltstone, and clay layers, and occurs in the middle and lower Members, but most frequently in the El Regachuelo. The age of the Escucha Fm. is based on the presence of the ammonite “Douvilleiceras monile”, and a higher concentration of spores than pollen grains. Teruel amber is rich in kauranes (diterpenoid compound), with pimaric acid also being present, which indicates it was produced by a member of the Araucariaceae family, possibly by the genus Agathis. This amber shares a similar superficial appearance (color, pattern/flow, etc.) to that of amber from the Fouras Peninsula, in Charente-Maritime, France; the amber of that region was also likely produced by an araucarian, with some possible production by Podocarpaceae and Cheirolepidiaceae. Sources: “Fossiliferous amber deposits from the Cretaceous (Albian) of Spain”; Comptes Rendus Palevol, Vol. 6 (Issues 1-2), pp. 135-149; Delclòs, et. al. 2007 “A reassessment of the Cretaceous amber deposits from France and their palaeontological significance”; African Invertebrates, Vol. 48 (1); V. Perrichot 2007 “Gerromorphan bugs in Early Cretaceous French amber (Insecta: Heteroptera): first representatives of Gerridae and their phylogenetic and paleoecological implications.”; Cretaceous Research; V. Perrichot 2005

    © Kaegen Lau

  4. From the album: Fossil Amber and Copal: Worldwide Localities

    “Teruel Amber” Utrillas, Teruel Province, Spain San Just Outcrop, Maestrat Basin Escucha Fm. (El Regachuelo Mb.) Lower to Middle Albian (~114-106.7 ma) Specimen B: 1.7g / 21x17x12mm Lighting: Longwave UV Entry seven of ten, detailing various rare ambers from European, Asian, and North American localities. In Spain, there are more than 100 localities of amber belonging to the Early Cretaceous, with several new localities having been discovered from 1997-2007; however, many of the occurrences are unconfirmed or were from coal mines that no longer exist. The first mention of cretaceous amber from Spain was made in 1762, where it was described as coming from Asturias, a small region in the northwestern portion of the country. There are only seven localities that are described to contain biological inclusions, which localities form a curve that corresponds of the coastline of the Early Cretaceous seas; amber from Álava outcrops contains the highest number of arthropod inclusions, being dominated by the Diptera and Hymenoptera. The deposit richest in amber, also containing the best-preserved inclusions, is the San Just outcrop, located near Utrillas and Escucha (municipalities of Teruel); the San Just outcrop is part of the Escucha Fm., which is sub-divided into three Members: La Orden (upper), El Regachuelo (middle), and Barriada (lower). Amber is associated with coal, siltstone, and clay layers, and occurs in the middle and lower Members, but most frequently in the El Regachuelo. The age of the Escucha Fm. is based on the presence of the ammonite “Douvilleiceras monile”, and a higher concentration of spores than pollen grains. Teruel amber is rich in kauranes (diterpenoid compound), with pimaric acid also being present, which indicates it was produced by a member of the Araucariaceae family, possibly by the genus Agathis. This amber shares a similar superficial appearance (color, pattern/flow, etc.) to that of amber from the Fouras Peninsula, in Charente-Maritime, France; the amber of that region was also likely produced by an araucarian, with some possible production by Podocarpaceae and Cheirolepidiaceae. Sources: “Fossiliferous amber deposits from the Cretaceous (Albian) of Spain”; Comptes Rendus Palevol, Vol. 6 (Issues 1-2), pp. 135-149; Delclòs, et. al. 2007 “A reassessment of the Cretaceous amber deposits from France and their palaeontological significance”; African Invertebrates, Vol. 48 (1); V. Perrichot 2007 “Gerromorphan bugs in Early Cretaceous French amber (Insecta: Heteroptera): first representatives of Gerridae and their phylogenetic and paleoecological implications.”; Cretaceous Research; V. Perrichot 2005

    © Kaegen Lau

  5. paleoflor

    Araucaria mirabilis

    Old collection specimen. See this Wikipedia page for more information on Araucaria mirabilis from the Jurassic of the Cerro Cuadrado Petrified Forest, Argentina.
  6. Barrelcactusaddict

    Charentes Amber (Fouras Peninsula, ~100.5-98 Ma)

    From the album: Fossil Amber and Copal: Worldwide Localities

    Select specimens of Charentes amber, 5.5g in total weight (far right specimen is 2.9g, 20x19x16mm); these are the more attractive specimens of a 45.5g lot, while most are opaque with a light yellow-beige coloration; some have transparent layers alongside translucent and opaque layers, and one specimen has a marcasite inclusion near its center. This material is extremely fragile and low-fractile, crumbling quite easily. Since 2005 the original site on Fouras for this amber has since been developed, and is no longer accessible; what few exposures do remain yield very little material (this is also the case for the nearby Aix Island deposits and the Les Renardières quarry). Araucarians are believed to have been the main source of the resin production, but members of the Podocarpaceae and Cheirolepidiaceae also possibly contributed.

    © Kaegen Lau

  7. From the album: Fossil Amber and Copal: Worldwide Localities

    Select pieces of cretaceous (mid-Campanian) amber from North Carolina, weighing roughly 0.7-1.5g each; most pieces found from this locality only weigh under a couple grams, which is typical of most U.S. deposits. Along many portions of the Neuse river, south of Goldsboro, the embankments expose the various members of the Black Creek Group: the Bladen member overlies the older Tar Heel Fm., and underlies the younger Donoho Creek Fm. To date, amber has only been officially described to occur in the Bladen member, and is believed to be of araucarian and/or cupressaceous origin.

    © Kaegen Lau

  8. From the album: Fossil Amber and Copal: Worldwide Localities

    56.6g of cretaceous (mid-Campanian) amber from North Carolina; most pieces found from this locality only weigh under a couple grams each, which is typical of most U.S. deposits. Along many portions of the Neuse river, south of Goldsboro, the embankments expose the various members of the Black Creek Group: the Bladen member overlies the older Tar Heel Fm., and underlies the younger Donoho Creek Fm. To date, amber has only been officially described to occur in the Bladen member, and is believed to be of araucarian and/or cupressaceous origin.

    © Kaegen Lau

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