Landslides in the North-Western Black Sea coastal zone (NWBSCZ) are a very common natural phenomenon. The analysis of large volumes of original field and compilative geological material shows the determining influence of tectonic factors on the formation of geoecological characteristics of the southern regions of the NWBSCZ. In 2014—2022, a study of the materials of aerospace observations — SRTM (Shuttle Radar Topography Mission) radar topography was performed with statistical data processing in a GIS environment in combination with the results of ground route studies. Descriptions and photos of landslides are given, as well as information on determining the patterns of the spatial location of active landslide zones, the causes and factors of their occurrence, the nature of development and the consequences of landslide activity. On the basis of the tectonolineament analysis, experience was gained in determining the differences in the dynamics of the development of individual active tectonic blocks of the southern part of the NWBSCZ and the scale of their possible perspective influence on the formation of the general modern geological and ecological situation. The result of such work was the materials for the development of recommendations for taking into account the natural geodynamic characteristics of the specific areas under investigation, for the solution of urgent economic issues of planning rational and safe nature management.

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The main gold ore territory of Ukraine is Ukrainian shield, mainly its central and eastern parts. Currently, the potential of Ukrainian shield is estimated at 2.4 thousand tons of gold. Gold ore deposits are insufficiently studied and not brought to development. The same can be said about the development of gold placers. But in the case of shallow deposits its study and development may be economically justified, it does not require large capital investments and allows to recoup costs in a short time. This is especially true given the extremely favorable situation on the world gold market in recent years. Erosion and denudation of native deposits certainly led to the formation of deposits of native placer gold in the sedimentary cover on the territory of the Ukrainian shield and its slopes. Significant amounts of geological information on the widespread distribution of placer gold in loose sediments, in the modern basins of the Dnieper, Southern Bug, Don, Black and Azov Sea shelf, have been accumulated. This corresponds to the location of indigenous sources of gold and the general direction of unloading of river systems. Previous geological studies in this area have revealed numerous manifestations of placer gold of various scales, but no industrial facilities have been recorded. Placer gold in the south of Ukraine is characterized by a high mass fraction of gold of small and thin size classes and significantly aleurite-clay composition of gold-bearing deposits. Such characteristics complicate the geological search and real assessment of gold-bearing objects and, provided that standard sampling and processing methods are used in geological works, lead to underestimation of the real gold content. Studies conducted on the most studied placer sites convincingly show that gold is lost when washing samples, even under careful control. And this is a typical situation for many objects (not only Ukrainian), which were studied using the standard method of extracting free gold by gravity. That is why there are reasonable doubts about the reliability and quality of the current assessment of placer gold deposits. In our opinion, the prospects for the search for loose gold on the Ukrainian shield and its slopes are significantly underestimated. The presence of indigenous sources with great resource potential and at the same time numerous known manifestations of different ages and scales of placer gold clearly indicate the possibility of the formation of placers with industrial characteristics in the sedimentary stratum of southern Ukraine. The use of modern technologies for the gold enrichment and extraction, high-precision analytical research and the favorable state of the world gold market force to urgently review the results of previous geological work. The problem of conducting new comprehensive research aimed at auditing the accumulated data, identifying, and studying of placer deposits namely with gold of small and thin size classes is becoming urgent. The result of such work should be the discovery and industrial development of gold placers, which can be the basis of gold production in Ukraine.

ГНУ «Центр проблем морской геологии, геоэкологии и осадочного рудообразования» НАН Украины, Киев ТОНКОЕ И ДИСПЕРСНОЕ РОССЫПНОЕ ЗОЛОТО ОСАДОЧНОГО ЧЕХЛА СЕВЕРО ЗАПАДНОГО ПРИЧЕРНОМОРЬЯ. ПРОБЛЕМЫ И ПЕРСПЕКТИВЫ По данным зарубежных исследований значительные (в том числе промышлен ные) концентрации россыпного мелкого и тонкого золота (МТЗ) выявлены в чет вертичных отложениях синеклиз и авлакогенов Восточно Европейской плат формы. Это позволяет по аналогии надеяться на их обнаружение в пределах южного обрамления Украинского щита и северо западного Причерноморья. Тра диционная практика золотопоиска не позволяла ранее выявить районы и типы осадков с повышенным содержанием МТЗ, которое концентрируется не в грубо обломочных или псамитовых, а в пелитовых толщах, и не могло быть обнаруже но стандартным шлиховым методом. При этом потенциал золотоносности изучаемой территории не включал сведения о ресурсах МТЗ ввиду отсутствия эффективных методик его обнаружения, изучения, обогащения и добычи. Прове денные предварительные исследования на основе современных методик пробоот бора и обработки материала выявили в кайнозойских осадочных породах юга Ук раины ряд точек с аномально повышенными содержаниями россыпного МТЗ. Та кие россыпи МТЗ в близповерхностных отложениях кайнозойского осадочного чехла могут стать важным ресурсом для формирования золотодобывающей от расли Украины. Общее решение проблемы требует проведения системного и ме тодически обоснованного изучения закономерностей распределения, путей ми грации и условий локализации МТЗ. Ключевые слова: золотые россыпи, мелкое и тонкое золото, северо западное Причерноморье.