Bulk and clay mineral composition indicate origin of terra rossa soils in Western Herzegovina

Durn, Goran; Ćorić, Radica; Tadej, Neven; Barudžija, Uroš; Rubinić, Vedran; Husnjak, Stjepan

doi:10.4154/gc.2014.13

Cited by 21 publications

(6 citation statements)

References 27 publications

(32 reference statements)

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“…Thus, in Istrian Terra Rossa, the dominant mineral phases in the clay fraction are kaolinite, illitic material, Fe-oxides and XRD amorphous inorganic compounds, while vermiculite, low-charge-vermiculite or highcharge smectite, chlorite, mixed-layer clay minerals and quartz are present in smaller quantities (Durn, 2003). Terra Rossa soils from Western Herzegovina have a similar composition where the dominant mineral phases in the clay minerals fraction are kaolinite, Fe-oxides and XRD amorphous inorganic compounds, while vermiculite, smectite, illitic material, chlorite-vermiculite and quartz are present in a subordinate amount (Durn et al, 2014). However, even though cave sediments show similarities to Terra Rossa type soils, they cannot be classified as soils (Zupan Hajna et al, 2020).…”

Section: Discussion Mineral Composition and Provenance Of Cave Sedimentsmentioning

confidence: 99%

Changes in Cave Sedimentation Mechanisms During the Late Quaternary: An Example From the Lower Cerovačka Cave, Croatia

et al. 2021

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During archeological excavations in the Lower Cerovačka Cave (Mt. Velebit, Croatia), the test trench penetrated to a depth of 1.8 m. An undisturbed sequence of sediments was exposed. Considering that caves represent highly efficient sediment traps it was possible to recognize changes in the depositional mechanisms during the Pleistocene–Holocene period. Using the multiproxy approach, the mineralogical, petrographic, and biostratigraphic characterization of the cave sediments was performed. Facies analysis revealed several stages in the development of the clastic filling of cave channels. Allochthonous origin of the sediment was assumed. Sedimentation took place under various conditions from pronounced cold and dry climate during Pleistocene stages in the base of the profile, to humid periods with anthropogenic influence during the Holocene at the very top of the profile. Although traditionally these sediments were believed to be of a Pleistocene age, here for the first time a stratigraphic calibration of the profile has been performed based on luminescence dating of detrital cave sediments and radiometric dating of speleothems.

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Section: Discussion Mineral Composition and Provenance Of Cave Sedimentsmentioning

confidence: 99%

Changes in Cave Sedimentation Mechanisms During the Late Quaternary: An Example From the Lower Cerovačka Cave, Croatia

et al. 2021

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“…As the water-table level is high during winter, terrestrial slope sediments (colluvial debris and terra rossa) on the surrounding hills become flooded, altering the slope sediments in the littoral environment. As they were immersed in the water, they became lighter and, because of the clay content of terra rossa underlying colluvial debris (DURN, 2003;DURN et al, 2014), slippery. Sliding of slope sediments in winter-time along the littoral environment probably was more dy- The terrestrial environment is: C) Desiccated lake environment This single facies is documented by the presence of desiccation cracks, erosion surfaces, palaeosols and reworked littoral facies.…”

Section: Discussionmentioning

confidence: 99%

“…Littoral clay most probably originates from reworked terra rossa from the drainage basin of the Vrgoračko polje. Investigation of mineralogy and geochemistry of terra rossa in the Dinarides suggests its polygenetic origin (DURN, 2003;DURN et al, 2014).…”

Section: Facies Of Sediments Redeposited In the Deeper Lacustrine Faciesmentioning

confidence: 99%

Quaternary Depositional Environments in the Vrgoračko Polje/Lake (SE Croatia)

Posilović¹,

Galović²,

Stejić³

et al. 2018

Geol Cro

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The Vrgoračko polje is a karst field with a surface area of 37 km 2 and an altitude of between 20 and 28 m above sea level, situated at the southern edge of the Dalmatian Zagora. During the Quaternary the polje was flooded for variable periods of time and a lacustrine environment was established. A multidisciplinary study of drill-cores, outcrops and geoelectric measurements recognised five main sedimentary facies: laminated sediment, redeposited sediment, coarsegrained carbonate debris, littoral clay and lacustrine chalk. Based on the facies analysis, depositional environments developed during the Holocene include aquatic lacustrine littoral and deeper-water environments. The terrestrial environment is represented by a desiccated lake phase. The littoral clay facies (filling depressions and caverns in the karst relief) is laterally equivalent to the deep-water laminated facies (varves?). A stratigraphic break between littoral clay and lacustrine chalk could be time-equivalent to disturbed laminated sediments deposited in deeper-water and to local intercalations of coarse-grained carbonate debris in shallow-water facies sediments. These features could have been the result of a neotectonic event (earthquake), which triggered debris flows of colluvial material from slopes around the lake, and this could also have changed the hydrological regime of the Vrgoračko polje and affected subsequent depositional facies. According to 14 C dating, deposition of the lacustrine chalk started at the beginning of the Mid-Holocene Warm Period (7686±36 aBP) with a sedimentation rate of approximately 0.51 mm a-1 during the Middle, and 0.58 mm a-1 during the Late Holocene to today. Calculated carbonate production was estimated at 1050 gm-2 a-1. A temporary phase of subaerial exposure of the lake is indicated by desiccation cracks and two bioturbated palaeosol horizons. The described depositional environments and sediment facies found in the Vrgoračko polje could be considered to represent a typical Quaternary lacustrine sedimentation pattern for other Dinaric karst poljes. described in the Cerkničko polje, Slovenian Dinaric karst (VAL-VASOR, 1689; PLENIČAR, 1954; SMREKAR, 2000). Similarly, in the karstic Lake Banyoles (NE Spain), MORELLÓN et al. (2014) reported intense groundwater inflow that leads to the fluidization and re-suspension of previously deposited sediments. Seasonal autumn flooding of the Vrgoračko polje may (re)establish a lacustrine environment that lasts through the winter as confirmed by zonal vegetation around the polje (Fig. 1). Likewise, seasonal runoff through estavelles and ponors into the Neretva River (E of the Vrgoračko polje), and the artificial Prigon tunnel draining into the Baćinska Lakes (S of the Vrgoračko polje), leave the Vrgoračko polje dry throughout the summer. The Matica River is the only permanent stream that meanders from its springs in the NW, splits to the south and the east and then sinks (Fig. 1). The altitude difference between the springs, estavelles and ponors is approximately 8 metres. T...

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“…Basic physico-chemical parameters define the water body of the lake as well mixed and non-stratified with high temperature amplitudes (8-26 • C) and variations in salinity (38)(39)(40) [10]. Periodic development of anoxic conditions in the lake appeared sporadically [10].…”

Section: Sampling and Sample Preparationmentioning

confidence: 99%

“…The Al, Fe, K, and Li are typical geogenic elements, that is, the major constituent of clay minerals, and proxy for the sedimentary fine-grained particles content [39] (Windom et al, 1989). The Al and Fe are also main constituents of Al-Fe-hydroxides predominating in terra rossa soils [40]. Although the mineral composition of terra rossa in the Mediterranean area was reported to be very variable [41], the main mineral fractions generally found in this type of soil are clay minerals, Al-Fe-oxides and hydroxides [42][43][44], and in some places, quartz [38,39,45,46].…”

Section: Principal Component Analysis (Pca)mentioning

confidence: 99%

Distribution of Rare Earth Elements in Sediments of the Marine Lake Mir (Dugi Otok, Croatia)

2018

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The Lake Mir represents a small, isolated, and shallow marine lake situated in the south-eastern part of the Dugi otok Island, in a karstic landscape of the eastern Adriatic coast. The surrounding karstic background, with occasional occurrences of red soil, characterizes the sediments in the lake as coarse grained and carbonate rich. Previous studies suggested the prevailing influence of the lake bathymetry, that is, the proportion of carbonates and grain size characteristics of the sediments, on the variability of the element composition of the lake sediments. To confirm previous assumptions and obtain a better understanding of the factors influencing sediment composition of this marine lake, the distribution of rare earth elements in sediments of the Lake Mir and the nearby Telašćica Bay, as well as surrounding soils, was investigated. In the lake sediments, the sum of rare earth elements, including Y (hereinafter referred as ΣREY), ranged from 10.6 mg kg−1 to 25.3 mg kg−1; in the Telašćica Bay sediments, ΣREY were higher compared to the lake and ranged from 56.4 mg kg−1 to 85.2 mg kg−1, while the highest ΣREY, from 83.3 mg kg−1 to 227 mg kg−1, were observed in soils surrounding the lake. Despite the difference in the levels of the rare earth elements, the REY normalized patterns and associated fractionation parameters (ΣLREE/ΣHREE, (La/Yb)N, and (Nd/Yb)N) showed similarities between the lake sediments and the surrounding soils, confirming a significant influence of local lithology on the lake composition. The results of the statistical analysis, on the other hand, suggest the contribution of both the carbonate (e.g., calcite) and non-carbonate minerals (i.e., alumosilicates and Al–Fe-hydroxides) on the total REY content in the lake sediments.

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Bulk and clay mineral composition indicate origin of terra rossa soils in Western Herzegovina

Cited by 21 publications

References 27 publications

Changes in Cave Sedimentation Mechanisms During the Late Quaternary: An Example From the Lower Cerovačka Cave, Croatia

Changes in Cave Sedimentation Mechanisms During the Late Quaternary: An Example From the Lower Cerovačka Cave, Croatia

Quaternary Depositional Environments in the Vrgoračko Polje/Lake (SE Croatia)

Distribution of Rare Earth Elements in Sediments of the Marine Lake Mir (Dugi Otok, Croatia)

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