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ÃÅÎËÎÃÈ×ÅÑÊÈÕ ÏÀÌßÒÍÈÊΠÏÐÈÐÎÄÛ ßÐÎÑËÀÂÑÊÎÉ ÎÁËÀÑÒÈ

ÃÅÎËÎÃÈ×ÅÑÊÈÕ ÏÀÌßÒÍÈÊΠÏÐÈÐÎÄÛ ßÐÎÑËÀÂÑÊÎÉ ÎÁËÀÑÒÈ

ÃÅÎËÎÃÈ×ÅÑÊÈÕ ÏÀÌßÒÍÈÊΠÏÐÈÐÎÄÛ ßÐÎÑËÀÂÑÊÎÉ ÎÁËÀÑÒÈ

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êåëëîâåéñêèõ è îêñôîðäñêèõ âèäîâ. Â íåêîòîðîé ñòåïåíè ðûáèíñêèå ðàçðåçû íà Âîëãå äîïîëíÿþòñÿ<br />

âûõîäàìè íà ð. ×åðåìóõå (ÃÏÏ «Êîíþøèíî», «Èîäà» è äð.). Îäíàêî ïî áîãàòñòâó è ðàçíîîáðàçèþ<br />

èñêîïàåìîé ôàóíû êåëëîâåéñêîãî ÿðóñà, îáíàæåíèå ó Ïåðåáîð íå èìååò ðàâíûõ â ßðîñëàâñêîé îáëàñòè,<br />

÷òî ïðèäàåò åìó îñîáåííî âàæíîå çíà÷åíèå.<br />

Ñòðàòèãðàôèÿ. Â ðàçðåçå îáíàæàþòñÿ, ïðåèìóùåñòâåííî, ñëîè êåëëîâåéñêîãî ÿðóñà (ðèñ. 13).<br />

Îñòàëüíûå ÿðóñû (îêñôîðäñêèé, êèìåðèäæñêèé è âîëæñêèé) ïî÷òè íå âûðàæåíû â ðàçðåçå, îíè<br />

ìàëîìîùíû, âñòðå÷àþòñÿ òîëüêî ìåñòàìè è ÷àñòî çàêðûòû è íàðóøåíû îïîëçíÿìè. Ñóùåñòâóåò åùå îäíà<br />

õàðàêòåðíàÿ îñîáåííîñòü îáíàæåíèÿ, çàòðóäíÿþùàÿ ãåîëîãè÷åñêèå íàáëþäåíèÿ: þðñêèå ñëîè â îñíîâíûõ<br />

ìåñòàõ ñâîåãî âûõîäà îðèåíòèðîâàíû ïî÷òè âåðòèêàëüíî è ðàñïîëîæåíû èíîãäà ïåðïåíäèêóëÿðíî ê<br />

áåðåãîâîé ëèíèè. Âåðîÿòíî, ýòè íàðóøåíèÿ ïåðâè÷íîé îðèåíòàöèè ñëîåâ ÿâëÿþòñÿ ëåäíèêîâûìè<br />

äèñëîêàöèÿìè, îáðàçîâàâøèìèñÿ â ïëåéñòîöåíå.  ñâÿçè ñ ýòèì ðàçðåç ïðèõîäèòñÿ èçó÷àòü ïî ãîðèçîíòàëè,<br />

ïåðåìåùàÿñü âäîëü áåðåãîâîé ëèíèè. Íàèáîëåå äðåâíèå ñëîè ðàñïîëîæåíû áëèæå ê Ôîìèíñêîìó ðó÷üþ.<br />

S. calloviense (Sow.)<br />

Kos. (Lob.) åx gr. proniae Teiss., Êos. ( Kos.) transitionis (Nik.), Gul. ( Gul.) rimosum (Quen.)<br />

Kos. (Gu.) jason jason (Rein.), Kos.(Kos.) tschernischevi Nik., Gul. (Gul.) jenceni (Teis.), Gul. (Sp.)<br />

tschegemensis (Tschich.), I. mutatus (Traut.) var. b, H. (A.) submutatus (Nik.), Gr. cf. meridionalis (Neum.)<br />

Kos. (Catas.) enodatum (Nik.),<br />

C. (R.) milaschevici khudyaevi Kiselev<br />

Kos. (Gu.) medea medea Call.,<br />

Gul. (Gul.) gulielmii (Sow.)<br />

Kos. (Gu.) medea magnum Kiselev,<br />

Gul. (Sp.) tschegemensis (Tschich.)<br />

C. (R.) milaschevici milaschevici (Nik.), C. (St.) arcticoides Kiselev et<br />

Meledina, C. (B.) bryocostilatum Kiselev, C. (B.) vetulum Kiselev, C.<br />

(B.) schumarovi Nik., C. (P.) postelatmae, Ps. (Pr.) cuneatum Sas., Ps.<br />

(Cos.) gr. nanseni (Pomp.)<br />

Ðèñ. 13. Ãåîëîãè÷åñêèé ðàçðåç ÃÏÏ «Ïåðåáîðû». Ëèòîëîãè÷åñêèå îáîçíà÷åíèÿ ñì. íà ðèñ. 3. Åäèíèöà<br />

èçìåðåíèÿ ëèíåéêè ìîùíîñòè ðàâíà 0,5 ì.<br />

Þðñêàÿ ñèñòåìà, ñðåäíèé îòäåë<br />

Êåëëîâåéñêèé ÿðóñ, íèæíèé ïîäýÿðóñ, çîíà Sigaloceras calloviense –<br />

cðåäíèé ïîäúÿðóñ, çîíà Kosmoceras jason – âåðõíèé ïîäúÿðóñ, çîíà Peltoceras athleta<br />

1. Ãëèíà òåìíî-ñåðàÿ, ñëàáîèçâåñòêîâèñòàÿ, ïëîòíàÿ, íåñëîèñòàÿ, ñ ðåäêèìè êîíêðåöèÿìè<br />

êðóïíîêðèñòàëëè÷åñêîãî ïèðèòà.  ñëîå ÷àñòî âñòðå÷àþòñÿ ñêîïëåíèÿ ôàóíû ñ äâóìÿ-òðåìÿ êðóïíûìè<br />

àììîíèòàìè – îñíîâàòåëÿìè çàõîðîíåíèÿ (ñì. òàêæå àíàëîãè÷íûé ñëîé â ÃÏÏ «Êîíþøèíî»).  1,5-2 ì<br />

íèæå óñòüÿ Ôîìèíñêîãî ðó÷üÿ íàéäåíû îáðàçöû íèæíåêåëëîâåéñêèõ àììîíèòîâ Sigaloceras cf. calloviense<br />

(Sow.). Íèæå îò ðó÷üÿ ïî ðàçðåçó âûõîäÿò ãëèíû ñðåäíåãî êåëëîâåÿ íà ïðîòÿæåíèè 50 ì ñ àììîíèòàìè:<br />

Kosmoceras (Gulielmites) jason (Rein.) (òàáë. 12, ôèã. 16), K. (G.) medea Call. (òàáë. 12, ôèã. 13-15), K.<br />

(Kosmoceras) tschernischewi (Teiss.) (òàáë. 12, ôèã. 9-12), Gulielmiceras jenceni Teiss., G. tschegemense<br />

(Chikh.), Cadoceras (Rondiceras) milaschevici (Nik.) (òàáë. 11, ôèã. 1, 2), Cadoceras (Streptocadoceras) arcticoides<br />

Kiselev et Meledina (òàáë. 12, ôèã. 1-6), C. (Bryocadoceras) bryocostilatum Kiselev, C. (B.) vetulum Kiselev<br />

(òàáë. 12, ôèã. 7, 8), Ñ. (B.) schumarovi (Nik.), Indosphinctes mutatus (Traut.), Okaites pseudomosquensis<br />

(Siem.), Putealiceras ironense (Chikh.). Áåëåìíèòû: Lagonibelus (Holcobeloides) beaumonti (Orb.) (òàáë. 13,<br />

ôèã. 3, 4), Cylindroteuthis oweni (Pratt et Phill.), C. (Arctoteuthis) subextensa (Nik.), Pachyteuthis (Pachyteuthis)<br />

cuneata Gust. (òàáë. 13, ôèã. 1, 2), Pachyteuthis (P.) tschernischewi Krim., Acroteuthis (Microbelus) krimholzi<br />

Gust. (òàáë. 13, ôèã. 5, 6).  êðîâëå ñëîÿ (âíèç îò ðó÷üÿ) ïðîõîäèò íå âûðàæåííûé ïðîñëîé ñ ôîñôîðèòàìè<br />

è âåðõíåêåëëîâåéñêèìè àììîíèòàìè Kosmoceras (Lobokosmoceras) cf. proniae Teiss. (òàáë. 12, ôèã. 17), K.<br />

(Kosmoceras) cf. spinosum (Sow.). Ñðåäè äîííûõ áåñïîçâîíî÷íûõ ïðåîáëàäàþò áðàõèîïîäû Ivanoviella<br />

alemanica (Rollier) (òàáë. 13, ôèã. 11, 12). Ñðåäè ïîçâîíî÷íûõ îòìå÷àþòñÿ íàõîäêè õèìåð (òàáë. 11, ôèã.<br />

Òåêñò-ôèã. 1. Ýòàëîííûå îáðàçöû àììîíèòîâ êåëëîâåéñêîãî ÿðóñà èç îòëîæåíèé ðàéîíà ÃÏÏ «Ïåðåáîðû».<br />

Ôèã. 1, 2. Cadoceras (Bryocadoceras) schumarovi (Nikitin 1884). Ãîëîòèï: Íèêèòèí, 1884, òàáë. 3, ôèã. 16. Øóìàðîâî. Ñðåäíèé<br />

êåëëîâåé.<br />

Ôèã. 3, 4. Cadoceras (Rondiceras) milaschevici (Nikitin 1881). Ãîëîòèï: Íèêèòèí, 1881, òàáë. 3, ôèã. 25. Áîëîáàíîâî. Ñðåäíèé êåëëîâåé.<br />

Ôèã. 5, 6. Cadoceras (Rondiceras) milaschevici compressum (Nikitin 1881). Ãîëîòèï: Íèêèòèí, 1881, òàáë. 3, ôèã. 27. Áîëîáàíîâî.<br />

Ñðåäíèé êåëëîâåé.<br />

Ôèã. 7-9. Cadoceras (Bryocadoceras) bryocostilatum Kiselev 1999. Ãîëîòèï: Êèñåëåâ, 1999, òàáë. 1, ôèã. 6-8. Ïåðåáîðû. Ñðåäíèé<br />

êåëëîâåé.<br />

Ôèã. 10-13. Cadoceras (Bryocadoceras) mologae (Nikitin 1881). Ôèã. 10-11. Ëåêòîòèï: Íèêèòèí, 1881, òàáë. 1, ôèã. 11; Ôèã. 12-13.<br />

Ïàðàëåêòîòèï: òàì æå, òàáë. 1, ôèã. 12. Ñåëèõîâî. Âåðõíèé êåëëîâåé.<br />

Ôèã. 14, 15. Cadoceras (Bryocadoceras) rybinskianum (Nikitin 1881). Ôèã. 10-11. Ãîëîòèï: Íèêèòèí, 1881, òàáë. 1, ôèã. 8. Ñåëèõîâî.<br />

Âåðõíèé êåëëîâåé.<br />

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