Wind Brickyard
Basic information
Sample name: Wind Brickyard

Reference: I. Gyökeres, B. Adroit, and A. Dávid. 2025. Latest Oligocene (late Chattian) environmental transitions revealed by plant-insect interactions preserved in plant assemblages from Wind Brickyard, Eger, Hungary. Palaeogeography, Palaeoclimatology, Palaeoecology 666(112828):1-12 [ER 4425]
Geography
Country: Hungary

Coordinate: 47° 0' 0" N, 20° 0' 0" E
Latlng basis: stated in text

Scale: outcrop

Formation: Eger

Time interval: Late Oligocene

Section: 4425

Max Ma: 24.4

Min Ma: 23.3

Age basis: zone

Geography comments: "near the city of Eger"
"within nannoplankton zone NP 25, which corresponds to early part of the Egerian (23.3–24.4 Ma) in the uppermost Oligocene"

•
Environment
Lithology: siliciclastic (mixed)

Habitat comments: the flora is from "three different stratigraphic levels" respectively consisting of a "molluscan clay" with "interbedded silts", a "sandy clay", and a "finely stratified friable micaceous sandstone and sandy
clay"
the palaeoenvironment shifts from "deep sublittoral" to "shallow sublittoral to littoral" to "lagoonal" going up section

Methods
Life forms: leaves

Sample size: 1341 specimens

Museum: Mátra Museum of the Hungarian Natural History Museum

Net or trap nights: 0

Basal area status: not applicable

Metadata
Sample no: 4712

Contributor no: John Alroy

Enterer: John Alroy

Created: 2025-11-23 09:19:35

Modified: 2025-11-23 09:19:35

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
41 species
9 singletons
total count 1341
geometric series index: 60.4
Fisher's α: 7.995
geometric series k: 0.8692
Hurlbert's PIE: 0.8894
Shannon's H: 2.67
Good's u: 0.9933
Register
Acer sp. 8
Acer hungaricum 181
Alnus oligocaenica 45
Asplenium egedense 1
Blechnum dentatum 5
Cedrela macrophylla 54
Daphnogene cinnamomifolia 272
Daphnogene sp. 11
Dryophyllum callicomifolium 49
Dicotylophyllum sp. 1 2
Symplocos deichmuelleri 2
Engelhardia orsbergensis 48
Fagaceae indet.9
Kydia kraeuselii 14
Fraxinus sp. 1
Angiospermae indet.14
Juglandaceae indet.6
Juglans cf. regia 1
Laurophyllum sp. 30
"sp. div."
Leguminophyllum sp. 84
Lithocarpus cf. saxonicus 1
Magnolia cf. acuminata 1
Magnolia cf. punduana 1
Comptonia dryandroides 5
Myrica cf. integerrima 9
Myrica longifolia 52
Nyssa cf. bilinica 1
Phoenicites sp. 2
Platanus neptuni 29
Pronephrium stiriacum 22
Pungiphyllum cruciatum 7
Rhamnus warthae 255
in quotes
Salicaceae indet.19
Salix or Populus
Sassafras lobatum 1
Smilax weberi 1
Talauma egerensis 16
in quotes
Tetracentron agriense 3
Ulmus cf. fischeri 4
Ulmus sp. 12
Ulmus pyramidalis 60
Ulmus pseudopyramidalis 3